Add more dump data to be able to show the scrolling effect on chat list screen.

app/src/main/java/chat/rocket/android/app/chatlist/ChatListFragment.kt

@@ -20,7 +20,7 @@ class ChatListFragment : Fragment() {
         showChatList(createDumpData())
     }
 
-    // This is just a sample showing 6 chat rooms (aka user subscription). We need to get it rid in a real word. REMARK: remove this comment and this method.
+    // This is just a sample showing 8 chat rooms (aka user subscription). We need to get it rid in a real word. REMARK: remove this comment and this method.
     private fun createDumpData(): List<Chat> {
         val dumpChat1 = Chat("https://open.rocket.chat/avatar/leonardo.aramaki",
                 "Leonardo Aramaki",
@@ -64,9 +64,23 @@ class ChatListFragment : Fragment() {
                 "Yes @sttyru, but you'll need to implement from the ground up following the docs at docs.rocket.chat where you can see the REST (HTTP) and Real-Time (WebSockets) calls.",
                 LocalDateTime.of(2017, 11, 14,1, 3),
                 0)
+        val dumpChat7 = Chat("https://open.rocket.chat/avatar/bestrun",
+                "androidnativeapp-2",
+                "c",
+                null,
+                "Just downloaded .zip and imported into Android Studio then build the project.",
+                LocalDateTime.of(2017, 11, 4,12, 47),
+                0)
+        val dumpChat8 = Chat("https://open.rocket.chat/avatar/3djc",
+                "iosnativeapp",
+                "c",
+                null,
+                "Ok, got confused by the blog announcement that shows a screenshot with github oAuth ! Sorry !",
+                LocalDateTime.of(2017, 11, 4,12, 43),
+                0)
 
         // creates a list of chat sorted by lastMessageDateTime attribute.
-        return listOf(dumpChat1, dumpChat2, dumpChat3, dumpChat4, dumpChat5, dumpChat6).sortedByDescending { chat -> chat.lastMessageDateTime }
+        return listOf(dumpChat1, dumpChat2, dumpChat3, dumpChat4, dumpChat5, dumpChat6, dumpChat7, dumpChat8).sortedByDescending { chat -> chat.lastMessageDateTime }
     }
 
     // REMARK: The presenter should call this method. The presenter also need to sort the chat list by latest message (compared by its date).