muhhshoaib/security-change-user-password-requirements-685:changed user password requirement

muhhshoaib/security-change-user-password-requirements-685: handled password complexity scenarios messages according to Chris Suggestions

muhhshoaib/security-change-user-password-requirements-685: changed the chracteres storage from sets to lists
Merge pull request #68 from aboudreault/xblock-discussion-sync

Xblock discussion sync
xblock-resource-missing-mimetypes: Add missing mimetypes for xblock resources

https://github.com/edx/edx-platform/pull/3858

* Add missing mimetypes for xblock resources
* Add mimetype additions in studio startup
discussion-xblock-repo: XBlock repository patches for discussion xblock
xblock-discussion: Add Discussion XBlock to repository
 muhhshoaib/adding_start_and_end_date_fields_to_course_objects_1302:added start and end date fields in course module

muhhshoaib/adding_start_and_end_date_fields_to_course_objects_1302: changes in the start and end dates
Merge pull request #67 from edx-solutions/muhhshoaib/adding_start_and_end_date_fields_to_course_objects_1302

Muhhshoaib/adding start and end date fields to course objects 1302
mattdrayer/api-workgroups: Added new models and viewsets to support workgroups/projects
Merge pull request #61 from edx-solutions/mattdrayer/api-workgroups

mattdrayer/api-workgroups: Added new Workgroup entity
mentoring/ooyala: Update hash (CSS fixes)
Merge pull request #59 from edx-solutions/muhhshoaib/security-change-user-password-requirements-685

Muhhshoaib/security change user password requirements 685
mattdrayer/api-updates-tabs-slashes: Added support for trailing slashes in  URL patterns
discussion: Update hash (missing assets)
discussion: Update hash (Firefox issue)
added avatar url field

added avatar url field
Merge pull request #72 from edx-solutions/ziafazal/add-avatar-url-to-userprofile

Ziafazal/add avatar url to userprofile
Merge pull request #70 from edx-solutions/mattdrayer/api-updates-tabs-slashes

Mattdrayer/api updates tabs slashes
Latest Group Project XBlock
Merge pull request #74 from edx-solutions/mjames/DesignableGroupProject

New Group Project Version
mattdrayer/api-projectreviews: Added new ProjectReview entity/views