[FrontEnd] Implemented and tested working X detection
[FrontEnd] Removed commented out code
[FrontEnd] Removed tempMessage used during X detection testing
[FrontEnd] Removed unused imports
[FrontEnd] Removed Train Gesture Recognition from user options menu
[FrontEnd] Allow scroll bars on main marking screen to fade
[FrontEnd] Added icons to indicate whether test has been marked or not
[FrontEnd] Added comment to test browser icon code
[FrontEnd] Added freeWrite mode
[FrontEnd] Ensured that upload script is displayed in action bar ifRoom
[FrontEnd] Fixed display of username on marking and finalize screen
[FrontEnd] Reset modes when moving to another page