Fixed Sync during join/part/delete of channels

app/build.gradle

app/src/main/java/de/kuschku/libquassel/ProtocolHandler.java

app/src/main/java/de/kuschku/libquassel/client/Client.java

...u/libquassel/syncables/serializers/IrcUserSerializer.java

...u/libquassel/syncables/serializers/NetworkSerializer.java

...kuschku/libquassel/syncables/types/impl/BufferSyncer.java

...hku/libquassel/syncables/types/impl/BufferViewConfig.java

...e/kuschku/libquassel/syncables/types/impl/IrcChannel.java

...quassel/syncables/types/interfaces/QBufferViewConfig.java

...java/de/kuschku/quasseldroid_ng/ui/chat/MainActivity.java

...quasseldroid_ng/ui/chat/chatview/ChatMessageRenderer.java

...asseldroid_ng/ui/chat/drawer/BufferViewConfigAdapter.java

...e/kuschku/quasseldroid_ng/ui/chat/drawer/NetworkItem.java

...ables/callbacks/wrappers/MultiElementCallbackWrapper.java

...main/java/de/kuschku/util/servicebound/BoundActivity.java

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

app/src/main/res/menu/chatlist.xml

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