Finished writing CourseGrades object, added random grades into the test file,
the rng is seeded if you need to test things. Commented out the PseudoNameGenerator
constructors in the MyCourse object so errors will not show in eclipse(will fix this
soon).
Merge pull request #1 from VanGrack/courseGrades_creation

CourseGrades object finished
Merge pull request #17 from VanGrack/master

PR for CourseGrades object written by Jesse and Tarah