Bump version to 3.3.1

git-svn-id: http://ios.svn.wordpress.org/trunk@3771 7d847f7c-ffe1-4a24-85be-b788d016d96a
Updated strings

git-svn-id: http://ios.svn.wordpress.org/trunk@3772 7d847f7c-ffe1-4a24-85be-b788d016d96a
Don't show the "no results" view if syncing

Conflicts:
	Classes/WPTableViewController.m

git-svn-id: http://ios.svn.wordpress.org/trunk@3773 7d847f7c-ffe1-4a24-85be-b788d016d96a