Merge pull request #2280 from learningequality/nalanda-rct2

Nalanda rct2 to nalanda
Merge pull request #2304 from learningequality/nalanda-prerelease

Nalanda prerelease into release
Merge pull request #2319 from learningequality/nalanda-prerelease

Releasing recent Nalanda fixes
Merge branch 'nalanda-rct2' into nalanda-prerelease
Merge branch 'nalanda-prerelease' into nalanda
Merge pull request #2341 from learningequality/nalanda-rct2

Release Nalanda RCT2 updates
Merge pull request #2342 from learningequality/nalanda-prerelease

Nalanda prerelease
Merge pull request #2412 from learningequality/nalanda-rct2

Nalanda rct2 to nalanda rct3
metadata for v0.12.7
fix metadata for 0.12.7
Change `video_logs` and  `login_logs` in `_get_user_usage_data()` method in `control_panel/views.py`
Remove coach in CSV report.
Fix for First Login After SignUp -- Asks for Signup again
Added Unit Name with playlist in assign page
change register device to sync now after the device has successfully registered.
Remove `facility_required` decorator.
Add calendar options to select month and year, then show the button panel.  Fix to show the images used by the datepicker widget.
Merge pull request #2484 from lazer1993/hotfix/2192-registration-process-possibly-not-marking-status-correctly

#2192 Registration process (possibly) not marking status correctly / immediately
Merge pull request #2475 from anuragkanungo/nalanda-rct3

 Fix for First Login After SignUp -- Asks for Signup again
Merge branch 'release-0.12.0' into hotfix/2271-Export-CSV