diff --git a/.gitignore b/.gitignore
index 58d7bc4..9981e28 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ data/
 *.swo
 
 *.db
+twitter.toml
diff --git a/build.gradle b/build.gradle
index 899f05e..fb47a9d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -97,6 +97,10 @@ kotlin {
                 implementation "com.soywiz:klock-jvm:$klockVersion"
                 implementation "com.soywiz:klock-locale-jvm:$klockVersion"
 
+                //implementation 'com.twitter:hbc-core:2.2.0'
+                //implementation 'com.twitter:hbc-twitter4j:2.2.0'
+                api 'org.twitter4j:twitter4j-stream:4.0.1'
+
                 implementation 'com.github.uchuhimo:konf:master-SNAPSHOT'
                 implementation 'com.vladsch.flexmark:flexmark-all:0.42.10'
                 api 'io.github.microutils:kotlin-logging:1.6.23'
diff --git a/portal.toml b/portal.toml
index 4c1c7d1..f42a9d4 100644
--- a/portal.toml
+++ b/portal.toml
@@ -3,7 +3,7 @@ host = "localhost"
 port = 8080
 
 [schedule]
-reference = "2019-06-04"
+reference = "2019-06-06"
 
 [general]
 wiki_url = "https://wiki.kif.rocks/w/index.php?title=KIF470:Arbeitskreise&action=raw"
diff --git a/src/jsMain/kotlin/de/kif/frontend/repository/Ajax.kt b/src/jsMain/kotlin/de/kif/frontend/repository/Ajax.kt
index d1f7d00..a08991d 100644
--- a/src/jsMain/kotlin/de/kif/frontend/repository/Ajax.kt
+++ b/src/jsMain/kotlin/de/kif/frontend/repository/Ajax.kt
@@ -11,7 +11,6 @@ import kotlin.js.Promise
 suspend fun repositoryGet(
     url: String
 ): dynamic {
-    console.log("GET: $url")
     val promise = Promise<dynamic> { resolve, reject ->
         val xhttp = XMLHttpRequest()
 
@@ -48,7 +47,6 @@ suspend fun repositoryPost(
     url: String,
     data: String? = null
 ): dynamic {
-    console.log("POST: $url", data)
     val promise = Promise<dynamic> { resolve, reject ->
         val xhttp = XMLHttpRequest()
 
@@ -85,7 +83,6 @@ suspend fun repositoryPost(
 suspend fun repositoryRawGet(
     url: String
 ): String {
-    console.log("GET: $url")
     val promise = Promise<String> { resolve, reject ->
         val xhttp = XMLHttpRequest()
 
diff --git a/src/jsMain/kotlin/de/kif/frontend/views/calendar/Calendar.kt b/src/jsMain/kotlin/de/kif/frontend/views/calendar/Calendar.kt
index a992836..b5ca675 100644
--- a/src/jsMain/kotlin/de/kif/frontend/views/calendar/Calendar.kt
+++ b/src/jsMain/kotlin/de/kif/frontend/views/calendar/Calendar.kt
@@ -4,9 +4,9 @@ import de.kif.frontend.iterator
 import de.kif.frontend.launch
 import de.kif.frontend.repository.ScheduleRepository
 import de.westermann.kwebview.View
-import de.westermann.kwebview.createHtmlView
 import org.w3c.dom.*
 import kotlin.browser.document
+import kotlin.browser.window
 
 
 class Calendar(calendar: HTMLElement) : View(calendar) {
@@ -15,23 +15,23 @@ class Calendar(calendar: HTMLElement) : View(calendar) {
 
     val day: Int
 
-    val htmlTag = document.documentElement as HTMLHtmlElement
+    val htmlTag = document.body as HTMLElement
     val calendarTable = calendar.getElementsByClassName("calendar-table")[0] as HTMLElement
 
-    fun scrollVerticalBy(pixel: Double) {
-        htmlTag.scrollBy(ScrollToOptions(0.0, pixel, ScrollBehavior.SMOOTH))
+    fun scrollVerticalBy(pixel: Double, scrollBehavior: ScrollBehavior = ScrollBehavior.SMOOTH) {
+        htmlTag.scrollBy(ScrollToOptions(0.0, pixel, scrollBehavior))
     }
 
-    fun scrollHorizontalBy(pixel: Double) {
-        calendarTable.scrollBy(ScrollToOptions(pixel, 0.0, ScrollBehavior.SMOOTH))
+    fun scrollHorizontalBy(pixel: Double, scrollBehavior: ScrollBehavior = ScrollBehavior.SMOOTH) {
+        calendarTable.scrollBy(ScrollToOptions(pixel, 0.0, scrollBehavior))
     }
 
-    fun scrollVerticalTo(pixel: Double) {
-        htmlTag.scrollTo(ScrollToOptions(0.0, pixel, ScrollBehavior.SMOOTH))
+    fun scrollVerticalTo(pixel: Double, scrollBehavior: ScrollBehavior = ScrollBehavior.SMOOTH) {
+        htmlTag.scrollTo(ScrollToOptions(0.0, pixel, scrollBehavior))
     }
 
-    fun scrollHorizontalTo(pixel: Double) {
-        calendarTable.scrollTo(ScrollToOptions(pixel, 0.0, ScrollBehavior.SMOOTH))
+    fun scrollHorizontalTo(pixel: Double, scrollBehavior: ScrollBehavior = ScrollBehavior.SMOOTH) {
+        calendarTable.scrollTo(ScrollToOptions(pixel, 0.0, scrollBehavior))
     }
 
     init {
@@ -78,8 +78,7 @@ class Calendar(calendar: HTMLElement) : View(calendar) {
             }
         }
 
-        val view = View.wrap(document.getElementById("calendar-check-constraints") as HTMLElement)
-        view.onClick {
+        (document.getElementById("calendar-check-constraints") as? HTMLElement)?.let { wrap(it) }?.onClick?.addListener {
             launch {
                 val errors = ScheduleRepository.checkConstraints()
 
@@ -94,6 +93,19 @@ class Calendar(calendar: HTMLElement) : View(calendar) {
                 }
             }
         }
+
+        onWheel {
+            val multiplier = when (it.deltaMode) {
+                1 -> 16.0
+                2 -> window.innerHeight.toDouble()
+                else -> 1.0
+            }
+
+            scrollHorizontalBy(it.deltaX * multiplier, ScrollBehavior.INSTANT)
+            scrollVerticalBy(it.deltaY * multiplier, ScrollBehavior.INSTANT)
+
+            it.preventDefault()
+        }
     }
 }
 
diff --git a/src/jvmMain/kotlin/de/kif/backend/Application.kt b/src/jvmMain/kotlin/de/kif/backend/Application.kt
index c48c23e..ab3eabc 100644
--- a/src/jvmMain/kotlin/de/kif/backend/Application.kt
+++ b/src/jvmMain/kotlin/de/kif/backend/Application.kt
@@ -15,6 +15,7 @@ import io.ktor.jackson.jackson
 import io.ktor.response.respond
 import io.ktor.routing.routing
 import io.ktor.websocket.WebSockets
+import java.nio.file.Paths
 
 fun Application.main() {
     install(DefaultHeaders)
@@ -49,6 +50,13 @@ fun Application.main() {
             files(Configuration.Path.uploadsPath.toFile())
         }
 
+        val srcFile = Paths.get("src")?.toFile()
+        if (srcFile != null && srcFile.exists() && srcFile.isDirectory) {
+            static("/src") {
+                files("src")
+            }
+        }
+
         // UI routes
         overview()
         calendar()
diff --git a/src/jvmMain/kotlin/de/kif/backend/Configuration.kt b/src/jvmMain/kotlin/de/kif/backend/Configuration.kt
index 5c8efc5..53b4395 100644
--- a/src/jvmMain/kotlin/de/kif/backend/Configuration.kt
+++ b/src/jvmMain/kotlin/de/kif/backend/Configuration.kt
@@ -4,6 +4,7 @@ import com.uchuhimo.konf.Config
 import com.uchuhimo.konf.ConfigSpec
 import com.uchuhimo.konf.Item
 import java.io.FileNotFoundException
+import java.nio.file.Files
 import java.nio.file.Paths
 import java.text.SimpleDateFormat
 import java.time.ZoneId
@@ -89,6 +90,16 @@ object Configuration {
         val wikiUrl by c(GeneralSpec.wikiUrl)
     }
 
+    private object TwitterSpec : ConfigSpec("twitter") {
+        val username by required<String>("username")
+        val password by required<String>("password")
+    }
+
+    object Twitter {
+        val username by c(TwitterSpec.username)
+        val password by c(TwitterSpec.password)
+    }
+
     init {
         var config = Config {
             addSpec(ServerSpec)
@@ -96,11 +107,16 @@ object Configuration {
             addSpec(ScheduleSpec)
             addSpec(SecuritySpec)
             addSpec(GeneralSpec)
+            addSpec(TwitterSpec)
         }.from.toml.resource("portal.toml")
 
-        try {
-            config = config.from.toml.file("portal.toml")
-        } catch (_: FileNotFoundException) {
+        for (file in Files.list(Paths.get("."))) {
+            if (file.fileName.toString().endsWith(".toml")) {
+                try {
+                    config = config.from.toml.file(file.toFile())
+                } catch (_: FileNotFoundException) {
+                }
+            }
         }
 
         this.config = config.from.env()
diff --git a/src/jvmMain/kotlin/de/kif/backend/Main.kt b/src/jvmMain/kotlin/de/kif/backend/Main.kt
index 2618002..2df11b7 100644
--- a/src/jvmMain/kotlin/de/kif/backend/Main.kt
+++ b/src/jvmMain/kotlin/de/kif/backend/Main.kt
@@ -18,6 +18,8 @@ object Main {
 
         Connection.init()
 
+        // twitter()
+
         runBlocking {
             if (UserRepository.all().isEmpty()) {
 
diff --git a/src/jvmMain/kotlin/de/kif/backend/Twitter.kt b/src/jvmMain/kotlin/de/kif/backend/Twitter.kt
new file mode 100644
index 0000000..dd09637
--- /dev/null
+++ b/src/jvmMain/kotlin/de/kif/backend/Twitter.kt
@@ -0,0 +1,142 @@
+package de.kif.backend
+
+import twitter4j.*
+import twitter4j.conf.ConfigurationBuilder
+
+
+/*
+fun twitter() {
+    val msgQueue = LinkedBlockingQueue<String>(100000)
+    val eventQueue = LinkedBlockingQueue<Event>(1000)
+
+    val hosts = HttpHosts(Constants.STREAM_HOST)
+
+    val filterEndpoint = StatusesFilterEndpoint()
+    filterEndpoint.trackTerms(listOf("kif"))
+
+    println(Configuration.Twitter.username)
+    println(Configuration.Twitter.password)
+
+    val authentication = BasicAuth(
+        Configuration.Twitter.username,
+        Configuration.Twitter.password
+    )
+
+    val builder = ClientBuilder()
+        .name("kif-portal")
+        .hosts(hosts)
+        .authentication(authentication)
+        .endpoint(filterEndpoint)
+        .processor(StringDelimitedProcessor(msgQueue))
+        .eventMessageQueue(eventQueue)
+
+    val client = builder.build()
+
+    val listener = object: StatusStreamHandler {
+        override fun onUnknownMessageType(msg: String?) {
+            println("onUnknownMessageType")
+            println(msg)
+        }
+
+        override fun onDisconnectMessage(message: DisconnectMessage?) {
+            println("onDisconnectMessage")
+            println(message?.disconnectReason)
+        }
+
+        override fun onStallWarningMessage(warning: StallWarningMessage?) {
+            println("onStallWarningMessage")
+            println(warning?.message)
+        }
+
+        override fun onTrackLimitationNotice(numberOfLimitedStatuses: Int) {
+            println("onTrackLimitationNotice")
+            println(numberOfLimitedStatuses)
+        }
+
+        override fun onStallWarning(warning: StallWarning?) {
+            println("onStallWarning")
+            println(warning?.message)
+        }
+
+        override fun onException(ex: Exception?) {
+            println("onException")
+            ex?.printStackTrace()
+        }
+
+        override fun onDeletionNotice(statusDeletionNotice: StatusDeletionNotice?) {
+            println("onDeletionNotice")
+            println(statusDeletionNotice?.statusId)
+        }
+
+        override fun onStatus(status: Status?) {
+            println("onStatus")
+            println(status?.text)
+        }
+
+        override fun onScrubGeo(userId: Long, upToStatusId: Long) {
+            println("onScrubGeo")
+        }
+
+    }
+
+    val t4jClient = Twitter4jStatusClient(
+        client,
+        msgQueue,
+        listOf(listener),
+        Executors.newFixedThreadPool(4)
+    )
+
+    t4jClient.connect()
+
+    t4jClient.process()
+
+    while (true) {
+
+    }
+}
+ */
+
+fun twitter() {
+    val cb = ConfigurationBuilder()
+    cb.setDebugEnabled(true)
+        .setUser(Configuration.Twitter.username)
+        .setPassword(Configuration.Twitter.password)
+
+    val listener = object : StatusListener {
+
+        override fun onTrackLimitationNotice(numberOfLimitedStatuses: Int) {
+            println("onTrackLimitationNotice")
+            println(numberOfLimitedStatuses)
+        }
+
+        override fun onStallWarning(warning: StallWarning?) {
+            println("onStallWarning")
+            println(warning?.message)
+        }
+
+        override fun onException(ex: Exception?) {
+            println("onException")
+            ex?.printStackTrace()
+        }
+
+        override fun onDeletionNotice(statusDeletionNotice: StatusDeletionNotice?) {
+            println("onDeletionNotice")
+            println(statusDeletionNotice?.statusId)
+        }
+
+        override fun onStatus(status: Status?) {
+            println("onStatus")
+            println(status?.text)
+        }
+
+        override fun onScrubGeo(userId: Long, upToStatusId: Long) {
+            println("onScrubGeo")
+        }
+    }
+
+    val twitterStream = TwitterStreamFactory(cb.build()).instance
+
+    addTwitterStreamListener(twitterStream, listener)
+
+    twitterStream.sample()
+}
\ No newline at end of file
diff --git a/src/jvmMain/kotlin/twitter4j/AddListener.kt b/src/jvmMain/kotlin/twitter4j/AddListener.kt
new file mode 100644
index 0000000..567207f
--- /dev/null
+++ b/src/jvmMain/kotlin/twitter4j/AddListener.kt
@@ -0,0 +1,5 @@
+package twitter4j
+
+fun addTwitterStreamListener(stream: TwitterStream, listener: StatusListener) {
+    stream.addListener(listener)
+}
diff --git a/src/jvmMain/resources/portal.toml b/src/jvmMain/resources/portal.toml
index 2f6f76b..41a88e8 100644
--- a/src/jvmMain/resources/portal.toml
+++ b/src/jvmMain/resources/portal.toml
@@ -18,3 +18,7 @@ sign_key = "d1 20 23 8c 01 f8 f0 0d 9d 7c ff 68 21 97 75 31 38 3f fb 91 20 3a 8d
 [general]
 allowed_upload_extensions = "png, jpg, jpeg"
 wiki_url = ""
+
+[twitter]
+username = ""
+password = ""