Add search button to navbar in sites
Make search button show a search bar
Make keyboard appear for searchbar when search icon is clicked
Remove unnecessary alpha and change tintColor of searchbar
Set search results data source to the view controller
Adjust size of search icon so it doesn't get cut off
Reorganize init of searchbar to a new method
Move screen width and height to public methods in WPView
Resort to default search icon
Merge pull request #161 from calblueprint/andrew/sitesearch

Andrew/sitesearch