fix tracking log entry key child-id -> child_id
October 16, 2014 Release Notes
Pass group_id when getting user thread and comment counts.

Depends on cs_comments_serivce commit ea218a2b038b59e63fd6593b5598db90223636e1.

TNL-543
Merge pull request #5561 from edx/bugfix/ichuang/fix-invalid-key-name-child-id

fix tracking log entry key child-id -> child_id
Fixed note formatting
Merge pull request #5604 from edx/carol/docs/noteformatfix

Fixed note formatting
Common terminology for review comments
Replace tag/label with type, and an example.
Merge pull request #5510 from edx/christina/bug-tnl-543

Pass group_id when getting user thread and comment counts.
Updates to video events for mobile
Merge pull request #5529 from edx/ahodges/doc/DOC916mobile

Updates to video events for mobile
Merge pull request #5236 from edx/pull-requests/review

Common terminology for review comments
Course times to use UTC
Merge pull request #5507 from edx/markhoeber-UTC-change

Course times to use UTC
Merge pull request #5578 from edx/markhoeber-doc1083

October 15, 2014 Release Notes
add Solano CI.
Merge PR#3. Solano: Add post worker hook for copying artifacts.
fixed capturing screenshots
adding post worker script
fixing file log error