fix #2036: check if the fragment is added
Merge pull request #2060 from wordpress-mobile/issue/2036-ise-showusernameerror

fix #2036: check if the fragment is added
Reduced drawer divider margin and header size
List position is now restored upon rotation
Merge pull request #2064 from wordpress-mobile/issue/2062-drawer-scrolling

issue/2062-drawer-scrolling
Merge pull request #2065 from wordpress-mobile/issue/2063-reader-restore-position

issue/2063-reader-restore-position
Fix NPE in ReaderCommentList.onDestroy()
Check for null updatedPost after toggling like
Added same null check to CommentDetailFragment & ViewPostFragment
Merge pull request #2070 from wordpress-mobile/issue/2067-reader-comments-ondestroy-npe

issue/2067-reader-comments-ondestroy-npe
Merge pull request #2071 from wordpress-mobile/issue/2068-reader-post-like-npe

issue/2068-reader-post-like-npe
Merge branch 'release/3.5' into develop