Localize, Handle TODOs, Refracotr Code

PlayWall/assets/de/tobias/playpad/assets/lang/_de.properties

PlayWall/src/de/tobias/playpad/PlayPadImpl.java

PlayWall/src/de/tobias/playpad/PlayPadMain.java

PlayWall/src/de/tobias/playpad/Strings.java

PlayWall/src/de/tobias/playpad/audio/ClipAudioHandler.java

.../src/de/tobias/playpad/audio/ClipAudioHandlerConnect.java

PlayWall/src/de/tobias/playpad/audio/JavaFXAudioHandler.java

...all/src/de/tobias/playpad/audio/JavaFXHandlerConnect.java

PlayWall/src/de/tobias/playpad/audio/TinyAudioHandler.java

.../src/de/tobias/playpad/audio/TinyAudioHandlerConnect.java

...bias/playpad/layout/desktop/DesktopMainLayoutConnect.java

...ypad/layout/desktop/DesktopMenuToolbarViewController.java

...obias/playpad/layout/desktop/DesktopSearchController.java

...e/tobias/playpad/layout/touch/TouchMainLayoutConnect.java

PlayWall/src/de/tobias/playpad/view/HelpMenuItem.java

.../de/tobias/playpad/view/MapperOverviewViewController.java

...ypad/viewcontroller/audio/ClipSettingsViewController.java

...viewcontroller/audio/TinySoundSettingsViewController.java

...e/tobias/playpad/viewcontroller/dialog/UpdaterDialog.java

...ypad/viewcontroller/option/global/KeysConflictDialog.java