<fixes #41

.../quasseldroid/ui/chat/messages/DayChangeItemDecoration.kt

...e/kuschku/quasseldroid/ui/chat/messages/MessageAdapter.kt

...chku/quasseldroid/ui/chat/messages/MessageListFragment.kt

...u/quasseldroid/ui/chat/messages/QuasselMessageRenderer.kt

app/src/main/res/layout/widget_chatmessage_action.xml

app/src/main/res/layout/widget_chatmessage_daychange.xml

app/src/main/res/layout/widget_chatmessage_error.xml

app/src/main/res/layout/widget_chatmessage_info.xml

app/src/main/res/layout/widget_chatmessage_notice.xml

app/src/main/res/layout/widget_chatmessage_plain.xml

app/src/main/res/layout/widget_chatmessage_server.xml

...e/kuschku/quasseldroid/viewmodel/data/FormattedMessage.kt