discarded some unnecessary changes
Minor refactoring
Some refactoring and implementation of the sound allowed functionality
Merge remote-tracking branch 'origin/CatWall_NativeApp' into CatWall_Majda
Minor change
Merge remote-tracking branch 'origin/master' into CatWall_NativeApp

Conflicts:
	catroid/src/at/tugraz/ist/catroid/io/StorageHandler.java
	catroid/src/at/tugraz/ist/catroid/ui/dialogs/DeleteCostumeDialog.java
Merge remote-tracking branch 'origin/CatWall_NativeApp' into CatWall_Majda

Conflicts:
	catroid/res/values/strings.xml
Added speak brick execution