Finally deprecate WPProgressHUD

git-svn-id: http://ios.svn.wordpress.org/trunk@4066 7d847f7c-ffe1-4a24-85be-b788d016d96a
Replace UIDevice+Hardware with UIDeviceIdentifier pod

Exact same functionality, but we should get updates for free when new models
are out

git-svn-id: http://ios.svn.wordpress.org/trunk@4067 7d847f7c-ffe1-4a24-85be-b788d016d96a
Removed unused .h import and make property private

git-svn-id: http://ios.svn.wordpress.org/trunk@4068 7d847f7c-ffe1-4a24-85be-b788d016d96a
Add extra check for wp.com blogs with custom domains

git-svn-id: http://ios.svn.wordpress.org/trunk@4069 7d847f7c-ffe1-4a24-85be-b788d016d96a