Added cancel button to admin screen to dismiss the screen
Screen rotation and bug fix

- screen rotation accounted for on main menu and survey screens refs #35
- fixed issue refs #40
Removed changes to SurveyViewController put in for testing
Sing-a-Long screen rotation accounted for refs #35

- also renamed global variables in SurveyViewController
Removed changes made for testing
Fixed Sing-a-Long screen rotation
Fixed Survey screen rotation adjustments refs #35
Landscape layout code refactored refs #35

- landscape orientation supported on main menu, sing-a-long menu,
survey screen, and admin login screen
Removed testing code for admin screen
Screen rotation handled on media library screen
Screen rotation accounted for on Record screen refs #35

- fixed rotation handling on other screens as well
Merged Screen Rotation with Development

- turned off autolayout in storyboard, causes issues with images