Major cleanup of viewmodel handling

app/src/main/AndroidManifest.xml

...java/de/kuschku/quasseldroid/dagger/ActivityBaseModule.kt

...ain/java/de/kuschku/quasseldroid/dagger/ActivityModule.kt

.../java/de/kuschku/quasseldroid/service/BacklogRequester.kt

...uschku/quasseldroid/service/QuasselNotificationBackend.kt

...main/java/de/kuschku/quasseldroid/ui/chat/ChatActivity.kt

...n/java/de/kuschku/quasseldroid/ui/chat/ToolbarFragment.kt

.../quasseldroid/ui/chat/add/create/ChannelCreateFragment.kt

.../quasseldroid/ui/chat/buffers/BufferViewConfigFragment.kt

.../kuschku/quasseldroid/ui/chat/input/AutoCompleteHelper.kt

...de/kuschku/quasseldroid/ui/chat/input/ChatlineFragment.kt

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

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

...de/kuschku/quasseldroid/ui/chat/nicks/NickListFragment.kt

...va/de/kuschku/quasseldroid/ui/chat/topic/TopicActivity.kt

...va/de/kuschku/quasseldroid/ui/chat/topic/TopicFragment.kt

...schku/quasseldroid/ui/chat/topic/TopicFragmentProvider.kt

...chku/quasseldroid/ui/coresettings/CoreSettingsFragment.kt

...asseldroid/ui/coresettings/aliasitem/AliasItemFragment.kt

...asseldroid/ui/coresettings/aliaslist/AliasListFragment.kt