xblocks: Update hashes
ziafazal/api-social-stats-avg-by-enrollments: added

total enrollments to data
mentoring: Update hash
Merge pull request #196 from edx-solutions/ziafazal/api-social-stats-avg-by-enrollments

ziafazal/api-social-stats-avg-by-enrollments: added total enrollments to data
mattdrayer-api-user-avatar-city: Added fields
Merge pull request #194 from edx-solutions/mattdrayer/api-user-avatar-city

mattdrayer-api-user-avatar-city: Added fields - tested and LGTM
mattdrayer/api-modulestore-direct: Added utility method
Merge pull request #197 from edx-solutions/mattdrayer/api-modulestore-direct

mattdrayer/api-modulestore-direct: Added utility method
mattdrayer/api-session-del-user-check: Guard against some negative cases
mattdrayer/api-modulestore-to-default: Updated utility method
Merge pull request #198 from edx-solutions/mattdrayer/api-session-del-user-check

mattdrayer/api-session-del-user-check: Guard against some negative cases
Merge pull request #199 from edx-solutions/mattdrayer/api-modulestore-to-default

mattdrayer/api-modulestore-to-default: Updated utility method
mentoring: Update hash
ziafazal/ability-to-set-grade-event: fetch grading event from settings

ziafazal/ability-to-set-grade-event: ability to

store score only for assessment exercises

fix for attribute value