mattdrayer/api-proforma-migration: Added migration file
cherry-pick: b49f73d26ba81deabab2c5eadc60262fcb2ef4a7
discussion: Update hash

Conflicts:
	requirements/edx/custom.txt
cherry-pick: ab7553d62959b0362338f9839044b48d1b3170e0
ziafazal/api-fix-course-image-url: make image url relative

uncomment discussion stats call
rename misnumbered migration
cherry-pick: 382d62cf47072e9920ebb489f7ef5d658cfcd95b
cherry-pick: 6f40383860a006122fb50c7c5e0ca2a9c5a499d5
mattdrayer/api-orgs-complete-count: New metrics operation
hash - updated hash for group project xblock
cherry-pick: 83ecae08e62c6a8690b08e332fbe353dcfba59bd
cherry-pick: 3d50b80a0258a1293810defc535b85cdd914e7d0
adventure: update hash
ooyala: Update hash
mentoring: update hash
image-explorer: Update hash