Add a placeholder text view when the post list is empty
fix #86: Add placeholder views for empty ListViews
Specific placeholder text for Posts, Pages, Notifications and Comments
Added reblogging from the native reader
* Added support for FEATURE_ACTION_BAR_OVERLAY to WPActionBarActivity
* Added translucent ActionBar to native reader
* Fixed bug that caused emoticons in post detail to appear too high
* Fixed bug that allowed DIVs and paragraphs to be wider than the screen in post detail
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-Android into develop