Merge branch 'release-0.10' of github.com:learningequality/ka-lite into avoid_command_infinite_loops

Conflicts:
	kalite/main/management/commands/subtitledownload.py
	kalite/main/management/commands/videodownload.py
	kalite/templates/video_download.html
two small (but major) bugfixes
Merge branch 'securesync_subapps' of github.com:bcipolli/ka-lite into release-idoc
Merge branch 'release-0.10' into release-idoc
Fix Central Server URLs.
sub-commit, definitely won't work (requres packaging changes), but useful for application to update_all
Real-time updating of "total points" in top-right corner of screen.
Merge branch 'release-0.10' of github.com:learningequality/ka-lite into release-idoc

Conflicts:
	kalite/management/commands/katest.py
	kalite/securesync/models.py
	kalite/securesync/views.py
Merge branch 'release-idoc' of github.com:learningequality/ka-lite into updates_app

Conflicts:
	README.md
	kalite/coachreports/api_views.py
	kalite/main/api_views.py
	kalite/main/management/commands/videodownload.py
	kalite/securesync/api_views.py
	kalite/securesync/management/commands/retrypurgatory.py
Merge branch 'updates_app' of github.com:bcipolli/ka-lite into update_all

Conflicts:
	kalite/central/urls.py
	kalite/main/api_views.py
	kalite/main/management/commands/videodownload.py
	kalite/main/views.py
adding RELEASE_DATE to version
Fix color issue.
Merge branch 'update_all' of https://github.com/bcipolli/ka-lite into update_all

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
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adding RELEASE_DATE to version

Conflicts:
	kalite/central/api_views.py
	kalite/templates/updates/update_software.html
	kalite/updates/views.py
calculate the proper ordering of syncing models, verify that there are no loops.
Total points only updated after save, added comments, simplified.
Merge pull request #515 from jamalex/realtime_point_updating

Real-time updating of "total points" in top-right corner of screen.
removing buttons
necessary to get coach reports working on central server.
Merge pull request #526 from bcipolli/no_cp_buttons

Limping in to the finish line... remove non-functioning buttons from control panel (and fix central server coach reports!)