#558 - Removed language and site title fields from NUX account creation
Removed scrollview from CreateAccountAndBlogViewController
Renamed controls in CreateAccountAndBlogViewController
Refactored methods in CreateAccountAndBlogViewController
Removed WordPress logo from acount creation form to fit all fields on one screen
Improved layout of CreateAccountAndBlogViewController on 3.5 inch devices
Changed presentation of SupportViewController to modal when creating an account
Merge branch 'develop' into issues/558
Improved UI of account creation form
Merge pull request #565 from wordpress-mobile/issues/558

#558 - Simplify NUX account creation