change default settings for servers/assets paver tasks from "dev" to "devstack"
Update pavelib.rst and run_devstack.rst  for changes to default settings
Handle the indexerror exception on create_order
LMS-2646
Tooltip Acceptance Test
Studio: resolves layout issues with icons in system feedback UI
Include stack trace in Course Rerun errors; Log errors.
Revert "Merge pull request #4976 from edx/will/ecom-128"

This reverts commit a03baee25cc1758193460190e8b16990dcf20767, reversing
changes made to 12e2d442e9bc3b919d36a9bad7d82ac27f01dd5c.
Bok choy test for cohort group label in post.
Merge pull request #5070 from edx/reruns/error-handling

Course Rerun: include stack trace in errors and Log errors.
Add i18n extraction test
Merge pull request #5082 from edx/hotfix/2014-09-04

Revert "Merge pull request #4976 from edx/will/ecom-128"
Corrections to guides for 4 Sep release

Items repaired:
- Pin_discussion.png file in wring directory
- Discussion_filters.png image in discussion_students unreadable,
replaced
- updated  release date in Research guide change log
- updated  release date in Course Author’s guide change log
- updated  “History” dates for fields added to research guide
Fix Video Transcript Test
TE-460
Merge pull request #3880 from mlkwaqas/waqas/lms2646-create-order-list-index-error

Handle the indexerror exception on create_order
Mathjax should be used after complete loading

Student couldn't able to submit his answer in ie9
becuase mathjax was used before its complete loading
thats cuase the problem. Mathjax operations should be
handled synchronously inorder to avoid error.

BLD-1199
Merge pull request #5089 from edx/ahodges/doc/repairs20140904

Corrections to guides for 4 Sep release
Merge pull request #5087 from edx/release

Release
Merge pull request #5072 from edx/ammar/tooltip-test

Tooltip Acceptance Test
Merge pull request #5027 from edx/clytwynec/make_devstack_default_settings_instead_of_dev

change default settings for servers/assets paver tasks from "dev" to "de...
Merge pull request #5063 from edx/christina/cohorts-bok-choy

Christina/cohorts bok choy