Check connection and server status is now possible.
using URL reverse lookup, fixing import bug
update and bug fixes
Merge branch 'checkconnection' of github.com:ruimalheiro/ka-lite into checkconnection

Conflicts:
	kalite/templates/admin_distributed.html
Merge pull request #2 from bcipolli/checkconnection

using URL reverse lookup, fixing import bug
sending hostname and port separately
Merge branch 'checkconnection' of github.com:bcipolli/ka-lite into checkconnection
make video_download use AJAX, so it doesn't hang.  Add an 'online' flag to get_status_info.
bit of cleanup, fixing broken interaction of buttons on video page.
Merge pull request #3 from bcipolli/checkconnection

Close to done
t stash popMerge branch 'checkconnection' of github.com:bcipolli/ka-lite into checkconnection
use SCRIPT tag, as jQuery call was giving cross-site scripting error
Merge branch 'checkconnect/deco
on' of github.com:bcipolli/ka-lite into checkconnection
Merge pull request #4 from bcipolli/checkconnection

Use a SCRIPT tag, to hack around the cross-site scripting complaints
update in if statement
update
Merge branch 'checkconnection' of github.com:ruimalheiro/ka-lite into checkconnection
Merge branch 'develop' of github.com:learningequality/ka-lite into checkconnection

Conflicts:
	kalite/main/views.py
	kalite/static/js/khan-lite.js
	kalite/utils/decorators.py
General JS helper functions and auto-checking as needed for online status.

Also, used them on the video download page.
Merge pull request #5 from bcipolli/checkconnection

Merge to latest develop, fix merge conflicts