Set empty aws credentials to None.
sending template pdf with certificate request
fixing some typos
Fixed password reset message

LMS-1507
Adding a YAML file to demonstrate how to include anonymized user IDs in Studio elements.
CSV Reporting of Shopping Cart Purchases, with tests

squashing to one commit to make cherry-picking by feature possible
Basic test fix
298.15 K is 25 C, not 0 (0 is defined to be at 273.15)

Signed-off-by:  <manuel.freire@fdi.ucm.es>
Recover from error loading forum thread list

When a user attempts to load more threads in the forum navigation
sidebar, reset the state of the world so the user can retry, and alert
the user appropriately.
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 #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