Updated some stuff

.gitignore

app/build.gradle

app/src/main/AndroidManifest.xml

.../libquassel/localtypes/backlogmanagers/BacklogFilter.java

...ssel/localtypes/backlogmanagers/SimpleBacklogManager.java

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

.../java/de/kuschku/libquassel/protocols/DatastreamPeer.java

...main/java/de/kuschku/libquassel/protocols/RemotePeer.java

...src/main/java/de/kuschku/quasseldroid_ng/ui/AppTheme.java

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

app/src/main/java/de/kuschku/util/ui/DateFormatHelper.java

...rc/main/java/de/kuschku/util/ui/DateTimeFormatHelper.java

app/src/main/java/de/kuschku/util/ui/ThemeUtil.java

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

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

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

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

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