* add new options to style the Activity
** set activity as translucent activity
** set actionbar color
** remove actionbarBackgroundColor if no custom theme is defined
** add needed helper classes + views
* quick fix for previous commit
* another quick fix
** just remove ab background if we use a custom accent color
* last card item must have a padding at the end
* use new functions in ManifestActivity
NEW RELEASE 1.3.0
* release as SNAPSHOT
* improve description