Added management command to display Nginx frontend proxy config.
Added comment to nginxconfig about changing port.
fixing __file__ reference in cronserver.py
Fixed Nginx comments to the right style.
Merge pull request #468 from jamalex/nginx_config

Added management command to display Nginx frontend proxy config.
Removed reference to sourcemap file "backbone-min.map" to avoid 404's.
Merge pull request #480 from bcipolli/cron__file__

fixing __file__ reference in cronserver.py
Merge pull request #488 from jamalex/remove_backbone_sourcemap_reference

Removed reference to sourcemap file "backbone-min.map" to avoid 404's.
Merge branch 'checkconnection' of github.com:jamalex/ka-lite into release-0.10
Fixed path issue preventing successful sub download.
Added a message indicating success of sub download.
Merge branch 'release-0.10' of git://github.com/learningequality/ka-lite into develop
Merge branch 'develop' into subtitles_immediate_fix