Printing menus added.
Menu Explanations formatted to 72 char width.
print_menu_common reformatted.
Printing help menus.
get_option_common implemented and used.
menu_common -> _common
menu_common -> _common
Deleting things causing problems.
Renamed to reduce clutter.
Automagically print help text if chosen.
Renamed functions so that they are actually imported.
Fixed importing name reference.
Main menu skeleton, before refactoring.
Modularized cleaning up grade files.
Minor change in gradefile cleanup plans.
grade_files.cleanup refactoring.
Added and reorganized imports
Cleanup grade files implemented.
Added grade homeworks to the main menu handling.
Merge remote-tracking branch 'origin/dev-tom' into dev-adam