Updated editor pod to latest build
Updated accessory toolbar appearance
Merge branch 'release/4.2' of github.com:wordpress-mobile/WordPress-iOS into feature/editor-update

# By Sendhil Panchadsaram (1) and aerych (1)
# Via Sendhil Panchadsaram
* 'release/4.2' of github.com:wordpress-mobile/WordPress-iOS:
  Updating localized strings.
  WordPress share activity uses correct modal presentation style.
Pod updates.
Fix for strange keyboard animation in editor.
WordPress-iOS-Editor pod update
Added a post preview screen in between selecting a post and editing it.
Added custom transition when editing an existing post.
Updated editor pod.
Animation tweaks for edit post transition.
Changed "close" to "cancel" on the edit post vc
Moar animation tweaks for EditPostTransition
Editor pod update
Post detail screen now refreshes after edit.
Editor pod update - unlink and HTML edit now on toolbar.
Removing the media spinner titleView after media download is complete.
Removed the Reveal fwk from the project.
Wired the modified editor to WP iOS.
Moving towards a unified VC for previewing and editing posts. #105
Can start editing.  Still having problems canceling it. #105