Fix the bug which caused activities, assignments, and course.yaml uploads to fail 	Change on 2013/03/07 by jorr <jorr@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=43578312
Fix the bug which caused activities, assignments, and course.yaml uploads to fail
	Change on 2013/03/07 by jorr <jorr@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=43578312

andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core