Further cleanup

...a/de/kuschku/quasseldroid/protocol/io/CoroutineChannel.kt

...hku/quasseldroid/protocol/io/FixedDeflaterOutputStream.kt

...uschku/quasseldroid/protocol/io/ReadableWrappedChannel.kt

...java/de/kuschku/quasseldroid/protocol/io/StreamChannel.kt

...uschku/quasseldroid/protocol/io/WritableWrappedChannel.kt

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

app/src/main/res/drawable/ic_launcher_background.xml

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

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

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

app/src/main/res/xml/backup_descriptor.xml

app/src/test/java/de/kuschku/quasseldroid/ExampleUnitTest.kt

bitflags/src/main/java/de/kuschku/bitflags/Flags.kt

.../libquassel/protocol/connection/ProtocolInfoSerializer.kt

...ava/de/kuschku/libquassel/protocol/features/FeatureSet.kt

.../de/kuschku/libquassel/protocol/features/LegacyFeature.kt

...de/kuschku/libquassel/protocol/features/QuasselFeature.kt

.../java/de/kuschku/libquassel/protocol/io/ByteBufferUtil.kt

...va/de/kuschku/libquassel/protocol/io/ChainedByteBuffer.kt

...n/java/de/kuschku/libquassel/protocol/io/StringEncoder.kt