Removed unnecessary requests made when loading the grading tool such as the extra project meta data request, the flag request, and the step translation file requests.
Fixed a problem with i18n files not being properly loaded.
Fixed a bug in crater when a student submitted their answer for the first time and they are supposed to rewrite their work, their previous work would not show up even though it is supposed to.
Fixed a problem with xMustHaveStatusYConstraint when using the isVisited statusType.
Got Epigame tag map constraints to disable when previewing a project with constraints disabled.
Added the ability to show previous work from a match sequence step.
Implemented the isCompleted() function for TableNode.
Made Netlogo steps special exportable.
Made Box2dModelNode special exportable.
Updated epigame step folder from WISE-VLE.
Updated box2dModel step folder from WISE-VLE.
Added check to see if workgroup has done any work on an auto-scored Draw step before submitting answer for feedback
Merge branch 'master' of https://github.com/WISE-Community/WISE into NoEclipse