Merge pull request #54 from spockNinja/exporting_updates

Making PseudoNameGenerator compatable with java 1.6
Assignment windows now dynamically load in data from the course, including assignment data and categories in the menu bar up top. Cannot switch assignments yet, did not have time. By default, it will open the first assignment available. Back button also works.
Including EditSelectedClass.java, which I forgot in initial commit.
Merge pull request #55 from GarbageElitist/gui_updates

Updated GUI
Student now not editable in Assignment Table
Merge pull request #56 from ZachMSU/table_fix

Student now not editable in Assignment Table
Removing freemarker class files.