secure-cookies: Allow to use secure HTTPS cookies (Django setting)

Cf https://docs.djangoproject.com/en/1.4/ref/settings/#std:setting-SESSION_COOKIE_SECURE
add paver test for bok-choy default command.
Added instructor persmission to _has_access_error_desc() in courseware.access.

TNL-208
TE-468 JS test: Use the correct array for validating onSeek logs

This particular test is failing in Solano workers; there the log
is written in a different order, which was causing objects not to
be found.
enable auto-capturing of hars in bok-choy tests
add promise to get around race condition in discussion bok-choy test
Use new bok_choy file paths in paver examples.
Ex-74 Registration Code redemption

fix the translation issues

added a check if a user is already registered in a course. Changed the messages

added course depth=0 and removed pep8 violations
Fixed bok choy flaky test for studio.
TNL-284
Merge pull request #5175 from edx/benp/solano2-jstest-failure

TE-468 JS test: Use the correct array for validating onSeek logs
wait for notification on adding video component
TNL-392
[TNL-198] Do not generate JS and CSS source maps in production
Update github for asset char
LMS-11380
Merge pull request #5232 from edx/split/asset_charset

Update github for asset char
EX-81 / Ex-84 changes
Pyfilesystem fix for AWS
Update translations (autogenerated message)
Merge pull request #5247 from edx/sarina/09162014-translation-update

Update translations (autogenerated message)
Merge pull request #5245 from edx/asadiqbal08/Fix_production_issue

EX-81 / Ex-84 changes
Merge pull request #5207 from edx/waheed/tnl284-fix-flaky-test

Fixed bok choy flaky test for studio.