Progress on comment UI
Progress on UI changes.
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-iOS into issues/46-comments-ui-refresh

Conflicts:
	WordPress/Classes/ViewRelated/Reader/ReaderPostDetailViewController.m
	WordPress/WordPress.xcodeproj/project.pbxproj
Wires up events. Style tweaks.
Tweaks to layout alignment.
Fix text rendering glitches when redrawing after rotation.
Redo cell layout for better padding.
Layout changes.
Additional comment UI tweaks.

Adds image for reply button.
Uses a white background for the selected state.
Xcode edited a bunch of files when adding the reply button asset :(
Tweaks from feedback.
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-iOS into issues/46-comments-ui-refresh

Conflicts:
	Podfile.lock
Merge pull request #2461 from wordpress-mobile/issues/46-comments-ui-refresh

Issues/46 comments ui refresh