mattdrayer/api-organizationsusers: Added support for adding users to an organization
added workgroup users delete support
get projects by course
add requests-oauthlib requirements
Merge pull request #106 from edx-solutions/derf/add_oauth_requirement

add requests-oauthlib requirements
added organisation to users api

added id, name and created fields

Added display_name to basic serializer
Merge pull request #87 from edx-solutions/mattdrayer/api-organizationsusers

Mattdrayer/api organizationsusers
Update test_migrate_orgdata.py
get course completions by user

fix for breaking test
Updating Group XBlock hash
Merge pull request #100 from edx-solutions/ziafazal/delete-user-from-workgroup

added workgroup users delete support
Merge pull request #107 from edx-solutions/ziafazal/get-course-completion-by-user

get course completions by user
Merge pull request #95 from edx-solutions/ziafazal/add-orgs-to-users-api

Ziafazal/add orgs to users api
Merge pull request #101 from edx-solutions/ziafazal/get-projects-by-course

get projects by course :+1:
Update XBlock hash key
mattdrayer/api-groups-organizations-list: Support for viewing related orgs
Merge pull request #109 from edx-solutions/mattdrayer/api-groups-organizations-list

mattdrayer/api-groups-organizations-list: Support for viewing related or...
mattdrayer/api-currentcontentid: GET response now returns content identifier for current position
mattdrayer/api-currentcontentid: Added position_tree to response