Updating Isle Royale problems to include preexisting nodes
Merge branch 'master' of https://github.com/bvds/LaitsV3
Turn on/off sharing in AUTHOR mode

The checkbox is not reflecting the database value, but the change is
sending to database. Will fix this problem later.
css changes missed
connection overlays for '-' and '/' code modified
Merge branch 'master' into pradeep
connection overlay addQuantity modified - tested for author mode
comments added for connection overlay code duplication
Fixed error in Author mode. Functions and Accumulators were causing errors when an expression was checked.
Renamed a test file.
Merge branch 'master' into pradeep

Conflicts:
	www/js/controller.js
	www/js/draw-model.js
Update wording from 'Author' to 'Group' in login.html and public-login.html.
Merge branch 'master' of https://github.com/bvds/LaitsV3
Get share bit value from database

For checkbox in author mode.
php script to fetch share bit added
Turn on/off sharing in AUTHOR mode done

Everything should work now.
auto node creation code added for student mode
Move documentation around.
Query Changed, to get the right problems in "solve a custom problem"
Merge branch 'master' into ritesh