Rewrote the drawer handling

app/build.gradle

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

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

.../java/de/kuschku/libquassel/localtypes/BacklogFilter.java

...java/de/kuschku/libquassel/localtypes/buffers/Buffer.java

.../kuschku/libquassel/localtypes/buffers/ChannelBuffer.java

...de/kuschku/libquassel/localtypes/buffers/QueryBuffer.java

...e/kuschku/libquassel/localtypes/buffers/StatusBuffer.java

...quassel/syncables/types/abstracts/AIgnoreListManager.java

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

...ibquassel/syncables/types/interfaces/QBacklogManager.java

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

...asseldroid_ng/ui/chat/BufferViewConfigSpinnerAdapter.java

...uschku/quasseldroid_ng/ui/chat/ChannelDetailActivity.java

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

...de/kuschku/quasseldroid_ng/ui/chat/drawer/BufferItem.java

...hku/quasseldroid_ng/ui/chat/drawer/BufferItemManager.java

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

.../quasseldroid_ng/ui/chat/drawer/BufferViewConfigItem.java

...chku/quasseldroid_ng/ui/chat/drawer/BufferViewHolder.java