Small change to MainFrame to fix bug.
Merge branch 'master' of https://github.com/spockNinja/GhostGrader into intsToDoubles

Conflicts:
	src/interfaces/MainFrame.java
Merge branch 'master' of https://github.com/spockNinja/GhostGrader into intsToDoubles
Added help menu and menu items in SimpleMode.java and EditSelectedClass.java. Need to add the 2 JFrames to display the documentation that I have written.
Finished the help menu with the about and help sub-menus in the UI.
Merge branch 'master' of https://github.com/spockNinja/GhostGrader into UserDocumentation

Conflicts:
	src/interfaces/editClass/EditSelectedClass.java
Fixed merge conflicts from Brett’s code in EditSelectedClass.java and re-added my code.
Merge pull request #88 from tarah/UserDocumentation

User documentation