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 #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
discussion-runtime: Discussion runtime templates
Merge pull request #73 from aboudreault/discussion-runtime-templates

Discussion runtime templates
discussion: Update hash
Merge pull request #71 from edx-solutions/mattdrayer/api-projectreviews

Mattdrayer/api projectreviews
API Doc