Workaround for relative path access restrictions
Temporary disable of icons for Android L

java.lang.NullPointerException: Attempt to invoke virtual method
'boolean android.graphics.drawable.Drawable.canApplyTheme()' on a null
object reference

public boolean canApplyTheme () Added in API level 21
Merge pull request #554 from reicast/loungekatt

Workaround for relative path access restrictions