First pass at using a recycler view for reader comments
2nd pass at using a recycler view for reader comments
Renamed ReaderPostRecyclerAdapter
Merge branch 'release/3.5' of https://github.com/wordpress-mobile/WordPress-Android into feature/reader-material-comments

Conflicts:
	WordPress/src/main/res/layout/reader_activity_comment_list.xml
Resolved conflicts with previous merge
Removed ItemDecoration from comment cards
Created ItemDecoration that can be reused by different card views, added to comment cards
Switched comments to CardView
Fixed comment card elevation
Fixed crash on pre-L devices caused by setting CardView background color
Changed user list to a card view with a recycler adapter
User list now correctly restores position after rotation
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/2043-reader-comment-recycler
Corrected restoration of topmost comment
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/2043-reader-comment-recycler
Comment list empty text only appears once comments have been updated, or if no connection exists
Removed change animation from recycler
auto save and retrieve text onAttach and onDetach
add a unique id to saved text
move code to a new helper: AutoSaveTextHelper (could be reused in other TextViews)