[CLC-2122] My Activities renaming/refactoring
[CLC-2122] Split up my activities refactoring to prepare for MyFinAid
[CLC-2122] Array over Enumerable, easier to manipulate for testing
[CLC-2122] RegBlock tests broken out of merged_spec
[CLC-2122] Sakai_annoucements_spec break from merged_spec
[CLC-2122] Cleanup
[CLC-2122] Notifications_spec broken out from merged_spec
[CLC-2122] Canvas specs, new merged specs, checking for response to append! on all the activity feed emitters