ziafazal/api-fix-bug-progress-tab: Made no of completions as percentage

support for coverage

guard against no completions
Update group project xblock hash
Merge pull request #180 from edx-solutions/ziafazal/api-fix-bug-progress-tab

ziafazal/api-fix-bug-progress-tab: Made no of completions as percentage
Updating xblock-group-project hash
Changes to default settings for LMS as recommended by Matasano
mattdrayer/api-group-name-edit: Support name edit on POST
cdodge/make-some-middleware-optional: allow for runtimes to specify which pieces of middleware should be removed. This helps with some performance characteristics.
Add event tracking for create_thread and create_comment
Merge pull request #183 from edx-solutions/cdodge/make-some-middleware-optional

cdodge/make-some-middleware-optional: allow for runtimes to specify whic...
Merge pull request #182 from edx-solutions/mattdrayer/api-group-name-edit

mattdrayer/api-group-name-edit: Support name edit on POST
Merge pull request #184 from aboudreault/forum-track-events-solutions

Forum: Add event tracking for create_thread and create_comment
Merge pull request #181 from edx-solutions/markoivanovic/matasano

Changes to default settings for LMS as recommended by Matasano
mattdrayer/api-workgroup-user-check: Ensure no existing workgroup assignment
Updated group-project xblock reference
Updated group-project xblock
Updated group-project xblock
discussion: Update hash
Merge pull request #185 from edx-solutions/mattdrayer/api-workgroup-user-check

mattdrayer/api-workgroup-user-check: Ensure no existing workgroup assign...
Updated group-project xblock hash
ziafazal/api-fix-to-avoid-multiple-auth-user-calls

this should remove multiple auth_user calls