1st pass at post detail redesign
2nd pass at post detail redesign
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into feature/reader-redesign-post-detail
Scrolling down post detail auto-hides action bar and buttons, scrolling back up re-displays them
Action buttons (reblog/comment/like) in post detail now animate in/out at the same speed as the ActionBar
cleaning and fixing NPE - ref #406
remove unused function
Tweaks to follow buttons
use the same color (#EEEEEE) for all empty views and reader
rename and unify grey background name
unify comments, stats and media background color
Added handbook color names as comments to colors.xml
Detect when the application moves BG to FG and ping the Push Notifications backend
Remove unused code
* Tags are now parsed and stored when posts are updated
* Added single tag to items in post list
openUrl now accepts parameters which determines whether to open passed url in the app or in the external browser
Move likes in post detail to between the post and its comments
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into feature/reader-redesign-post-detail
* Removed two-column view of post list, replaced with wider margins for landscape/tablet (more readable than two columns)
* Removed StaggeredGridView
Adjusted/added reader list margins for tablets & landscape tablets