mattdrayer/rebase-20140926: Repaired faulty keygen logic
xblock: Add "FIELDS_TO_INIT" XBlock Field initialization
update schema for workgroup feedback

relabel migration at 0008
mattdrayer/rebase-20140926-cherrypicks: Added recent commits to rebase branch
mattdrayer/api-proforma-migration: Added migration file
ziafazal/api-fix-course-image-url: make image url relative

uncomment discussion stats call
rename misnumbered migration
mattdrayer/api-orgs-complete-count: New metrics operation
Rebase of workgroup cohorts change
revert-multiple-cohorts: Add checks in code and a management command to ease the revert
Merge pull request #258 from aboudreault/cohorts-rebase

Cohorts rebase
Merge pull request #257 from edx-solutions/mattdrayer/rebase-20140926-cherrypicks

Mattdrayer/rebase 20140926 cherrypicks
Merge pull request #256 from open-craft/rebase-20140926-merged-xblock-discussion-changes

Rebase 20140926 merged xblock discussion changes
Merge pull request #251 from edx-solutions/mattdrayer/rebase-20140926-utilrequestfix

mattdrayer/rebase-20140926: Repaired faulty keygen logic
xblock: update hash