Avoid crashing when topics list is null
Fix highlight of reader cells
Merge branch 'reader' of github.com:wordpress-mobile/WordPress-iOS into reader
Fix html entities in author names.
Trim titles so we don't accidentally show a blank title because of spaces.
Better handling of text artifacting due to changed attachment frame sizes.
Merge branch 'reader' of https://github.com/wordpress-mobile/WordPress-iOS into reader