First pass at changes to support ?meta=site,feed on /read/following/mine endpoint
* Remove ReaderFollowedBlog and ReaderFollowedBlogList
* Added feedId to reader blog model and feed_id column to reader blog table
* ReaderSubsActivity now shows feeds as well as blogs
2nd pass at changes to support ?meta=site,feed on /read/following/mine endpoint
3rd pass at changes to support ?meta=site,feed on /read/following/mine endpoint
Updated to support field name changes made on backend
Fixed SQLiteException when manually adding a blog by URL
Fixed code style issues
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/1443-read-following-mine
Merge pull request #1443 from wordpress-mobile/issue/1443-read-following-mine

Issue/1443 read following mine