Implements BufferViewConfig display

...a/de/kuschku/quasseldroid_ng/ui/chat/BufferListAdapter.kt

...uschku/quasseldroid_ng/ui/chat/BufferViewConfigAdapter.kt

...n/java/de/kuschku/quasseldroid_ng/ui/chat/ChatActivity.kt

...va/de/kuschku/quasseldroid_ng/ui/chat/ChatListDelegate.kt

...va/de/kuschku/quasseldroid_ng/ui/chat/ChatListFragment.kt

...java/de/kuschku/quasseldroid_ng/ui/chat/EditorDelegate.kt

...va/de/kuschku/quasseldroid_ng/ui/chat/NickListDelegate.kt

...schku/quasseldroid_ng/ui/setup/accounts/AccountAdapter.kt

.../de/kuschku/quasseldroid_ng/util/helper/LiveDataHelper.kt

...chku/quasseldroid_ng/util/service/ServiceBoundFragment.kt

...de/kuschku/quasseldroid_ng/util/ui/ContextThemeWrapper.kt

...kuschku/quasseldroid_ng/util/ui/RecyclerSpinnerAdapter.kt

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

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

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

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

app/src/main/res/values/styles_widgets.xml

app/src/main/res/values/themes_base.xml

.../kuschku/libquassel/quassel/syncables/BufferViewConfig.kt

...kuschku/libquassel/quassel/syncables/BufferViewManager.kt