adding django admin command to change enrollment
fixing example
grammar
added jj to the author list
fixed retry invokation for calling setState

to successfully call a function with parameters by setTimeout,
it needs to be a function that will be called by setTimeout internally.

this patch actually enables multiple tries for calling the setState function.
Fixes #3409
JavaScript extentions doc update

doc-255
User doesn't exist in verify student banner toggle off view
LMS-2510
Merge pull request #3410 from mlkwaqas/waqas/lms2510-banner-toggle-off

User doesn't exist in verify student banner toggle off view
Merge pull request #3267 from edx/markhoeber/documentation/doc-255

JavaScript update in developer documentation
Merge pull request #3396 from edx/jarv/change_enrollment_cmd

adding django admin command to change enrollment
Fixing start-time and end-time related Jasmine tests.

BLD-1013
Merge pull request #3350 from edx/valera/l63a

Fixing start-time and end-time related Jasmine tests.
TESTS: Add tests for fix of end-time in the video player.

BLD-662
Merge pull request #3275 from edx/valera/l52a

TESTS: Add tests for fix of end-time functionality in the video player
Merge pull request #3382 from TheJJ/patch-1

fixed retry invokation for calling setState
Bok-Choy video tests batch2
Reword docstrings for bok-choy video tests
Merge pull request #3425 from edx/pk-set-can-be-none

pk_set can be None
Remove cruft from user profile threads

This removes the vote button from threads on the user profile, which was
the only interaction available on the page other than the link to view
the thread in the main discussion view.