Moved UI code around, removed unnecessary object allocation/deallocation from connection

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

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

...de/kuschku/libquassel/backlogmanagers/BacklogManager.java

...chku/libquassel/backlogmanagers/SimpleBacklogManager.java

...sel/functions/serializers/InitDataFunctionSerializer.java

.../functions/serializers/InitRequestFunctionSerializer.java

...nctions/serializers/PackedInitDataFunctionSerializer.java

...unctions/serializers/PackedRpcCallFunctionSerializer.java

...l/functions/serializers/PackedSyncFunctionSerializer.java

...tions/serializers/UnpackedInitDataFunctionSerializer.java

...ctions/serializers/UnpackedRpcCallFunctionSerializer.java

...functions/serializers/UnpackedSyncFunctionSerializer.java

app/src/main/java/de/kuschku/libquassel/message/Message.java

...va/de/kuschku/libquassel/objects/MessageTypeRegistry.java

...bquassel/objects/serializers/ClientInitAckSerializer.java

...assel/objects/serializers/ClientInitRejectSerializer.java

.../libquassel/objects/serializers/ClientInitSerializer.java

...quassel/objects/serializers/ClientLoginAckSerializer.java

...ssel/objects/serializers/ClientLoginRejectSerializer.java

...libquassel/objects/serializers/ClientLoginSerializer.java