Merge pull request #133 from mariusc/master

Removed TabBar, Optimized code from HomeViewController for loading the server
Moved About button to Home screen
Changed busy icon frame, so that it is based on the parent bounds, not on the parent frame
Some work in the PersonalInfoController
Removed the disclosure accessory for "Reporting As" button on the Home screen
Appearance tweaks in the About screen
Work on the AddServer screen and small improvements for ReportingAs screen
Divided available servers and custom servers in sections
Check for server validity when adding custom server
Improved data checking when adding a new server
Changed backButtonItem title to "Back"
Removed references to the tabbar
Fixed git problems in last commit