Added sections colleges and terms migration
Commit Migrations
Factory Girl
Modified db/schema.rb
Merge remote-tracking branch 'upstream/master'
Worked on foreign keys and validations
Merge branch 'gaurimishra-master' into migration-fixups
Properly merging down fixups

Changes to correct some errors in the last few pull requests (known)
and re-base schema.rb to its proper, latest incarnation.