Add title / description and icon in the empty view
add new assets and animations to the reader "Blogs I Follow" empty list
add box animation assets in drawable-mdpi
fix hidden description doesn't come back
Merge branch 'develop' into issue/330-animate-reader-empty-list
Detect defaults _tags_ in Reader (Blogs I Follow, Posts I Like) and change the default empty view texts accordingly
include empty_view in both list and grid reader post list views
add arrow tip and animation
fix arrow clipping
rewrite "Blogs I Follow" tag detection with a stronger one using endpoints suffix as tag string id
hdpi and xxhpid assets for the box and pages animation
rename getTagStringId method
remove tooltip arrow in empty _Blogs I Follow_ empty view
Merge pull request #337 from wordpress-mobile/issue/330-animate-reader-empty-list

Fix #330: improve reader "blogs I follow" empty view