cdodge/pass-depth-on-course-fecth: pass along the depth parameter to minimize round trips to the mongodb. Also turn on MongoDB panel on devstack.py to help with instrumentation

fixed proficiency position bug

exclude the student whose position is being retrieved

cdodge/optimized-save-child-postition: create an optimized version of save_child_position which minimized the number of round trips to MongoDB

don't refetch the current child, it's not really needed and it can be a bit expensive

cdodge/update-opaque-key: update user social stats to use the legacy courseId format since that is what the comment service expects

fix broken test, make social_stats more robust based on the caller

ziafazal/api-additional-fields-to-course-detail: added include_fields param to get additional fields

make sure the social stats API endpoint accept an new source key format, but the forum service needs the old style. Plus add tests

create workgroup cohort if it does not exist when adding a user to a coh...
Conflicts:
	lms/djangoapps/projects/views.py

Also contains:

* mattdrayer/rebase-20140722b: cherry-pick 0325694
* mattdrayer/rebase-20140722: cherry-pick e8b1217
* Sessions API Documentation
* mattdrayer/rebase-20140722: cherry-pick ofao48d
* mattdrayer/rebase-20140722: cherry-pick b0c343c
* mattdrayer/rebase-20140722: cherry-pick d56e973
* mattdrayer/status-500-fix: Small API bug
* added content_id to workgroup review submissions
* mattdrayer/api-user-preferences-delete: Added new Detail view, GET/DELETE operations
* mattdrayer/rebase-20140722: cherry-pick 0624385
* handle exception if user never accessed any course module
* mattdrayer/rebase-20140722: cherry-pick caada51
* cdodge/add-progress-publish-api-endpoint: expose a new xblock runtime publish special cased event type 'progress' which adds an entry into the CourseCompletions table
* add default setting for feature flag in common.py
* mattdrayer/rebase-20140722: cherry-pick 7a1e12c
* mattdrayer/rebase-20140722: Functional stabilization

added active filter

added tests

added completions to response dict

Merged course completions leaders and course avg

added is_active check

pep8 compliant

remove serialiser class

updated urls

updated docs

merged with master and updated url

added id, name and created fields

Added display_name to basic serializer

fix for breaking test

Fixed failing test

more test and improvements to code quality

add some better error handling

switch over

Tweak to migration in order to accomodate old names for data fields and allow for if data fields were not present

mattdrayer/api-orgdatamigration: Script to copy info from Group to Organization (including relationships)

remove duplicate data

Removed course module migration

mattdrayer/api-coursegrades: Added support for viewing a set of grades for a course.  Includes filters/aggregations.