Fixed a few tiny bugs

...ain/java/de/kuschku/libquassel/client/QBufferManager.java

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

...in/java/de/kuschku/libquassel/client/QNetworkManager.java

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

...de/kuschku/libquassel/syncables/types/SyncableObject.java

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

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

...a/de/kuschku/libquassel/syncables/types/impl/IrcUser.java

...a/de/kuschku/libquassel/syncables/types/impl/Network.java

...asseldroid_ng/ui/chat/drawer/BufferViewConfigWrapper.java

app/src/main/java/de/kuschku/util/irc/IrcUserUtils.java