Merge pull request #61 from ylevitsk/master

updates
Added some  documentation to testdb stuff
New update to Tests and testdatabase stuff.
set data
4/25 12:54
4/25 12:56
Added some  documentation to testdb stuff
CourseDB, StudentDB functional with GUI

user's course will now display according to courses in the CourseDB.
Authentication with username working. No pass required.
Merge pull request #62 from lambchopz/master

StudentDB, CourseDB functional with GUI (login and CourseList)
adding error checking with adding questions
forgot the new exception class
Merge pull request #63 from RAlmada/master

Adding error checking for adding questions
replacing collections with arraylists
Merge pull request #64 from RAlmada/master

replacing collections with arraylists
Removed inappropriate courses and name from db
Merge pull request #65 from lambchopz/master

Removed inappropriate courses and name from db
java docs updates
java docs updates
java docs updates