get cron settings from settings.py/local_settings.py; make sure to use same executable to run cron as cronserver was run.
Merge remote-tracking branch 'jamalex/require_admin_account_at_install' into configurable_cron
initial checkin to launch cron async from the django server
Merge branch 'configurable_cron' into remove_cronserver
Merge branch 'sync_warnings' into remove_cronserver
now force cron to run immediately on video/subtitle download (and other commands, except securesync)
Code cleanup
more robust subprocess launching.
updated related video logic and display
Merge branch 'multipath_node_cache' into noshow_missing_video
Merge remote-tracking branch 'upstream/develop' into configurable_cron
Merge remote-tracking branch 'upstream/develop' into noshow_missing_video
commenting changes
Merge pull request #201 from bcipolli/configurable_cron

Cronserver updates
Merge remote-tracking branch 'upstream/develop' into noshow_missing_video
Merge pull request #216 from bcipolli/noshow_missing_video

No-show missing "related video" from exercise view.
setting 'id' to 'slug', to matched mixed expectations in our code (id no longer == slug)
Only show links to the Django admin interface if we're in debug mode.
Only changed the template to only show links to the Django admin interface if we're in debug mode
Merge pull request #239 from wangguan59/debug_Django

Only show links to the Django admin interface if we're in debug mode.