Mysystem2 update from 12/18/2012
https://github.com/concord-consortium/MySystem-Wise-Integration-WIP/archive/2012_12_18.zip
MySystem2 "Score the Diagram" fix by Noah@CC. https://www.pivotaltracker.com/projects/40958#!/stories/42220329
modified assets manager so maxTotalAssetsSize can be customized per project basis.
Merge branch 'master' of https://github.com/WISE-Community/WISE-VLE into authoringv2