Add focus trap on forum navigation thread loading

For accessibility purposes, it is bad to allow a user to initiate
loading of additional threads in the navigation sidebar and then shift
focus away from the sidebar, only to have focus snap back when the
additional threads are loaded. Now, we trap focus on the loading element
as recommended by our accessibility consultant.

JIRA: FOR-238
Change dummy locale to Esperanto
Fix for advanced settings failure
Studio: Review all panel help copy

Reviewed and updated all on-page panel help text in Studio for clarity,
consistency, and brevity.  Updated template HTML files to change text

STUD-924
Merge pull request #1704 from edx/release-hotfix-2013-11-15

merge 2013-11-15 hotfix branch to master
Merge pull request #1709 from edx/sarina/change-dummy-i18n-language

Change dummy locale to Esperanto
Merge pull request #1701 from edx/documentation/hoeber/stud-924

Review all panel help text in Studio UI for Studio-924
Merge pull request #1641 from manuel-freire/master

298.15 K is 25 C, not 0 (0 is defined to be at 273.15)

#os
fixes issue where STATIC_URL was overwritten without git.revision

fixes this commit - https://github.com/edx/edx-platform/commit/5ec77010e3bc0303cdb06ebf32e806936fd36ce6
adding slash
The forcing of IDs to non-draft must happen in base.py instead of draft.py.

The draft.py solution only worked when the parent was also in the draft store.
convert STATIC_URL to ascii
changes to allow multiple choicetextresponses in one problem
STATIC_URL_BASE for lms config
An empty category will result in InvalidLocationErrors.
Merge pull request #1713 from edx/jarv/fix-static-url

fixes issue where STATIC_URL was overwritten without git.revision
Fix bug in grabbing course enrollments.

LMS-1475
Merge pull request #1714 from edx/christina/fix-children

The forcing of IDs to non-draft must happen in base.py instead of draft....
Merge pull request #1702 from edx/giulio/anon-user-id-yml

Adding a YAML file to demonstrate how to include anonymized user IDs in Studio elements.
'ignore' shouldn't be use for ascii conversion

The input string is not expected to contain any unicode characters