Updated netlogo to save the data field as an object instead of a string.
Merge branch 'master' of https://github.com/WISE-Community/WISE-VLE
complete revision - intermediate

Completely revised so there is a single testing world.  partially
working
Implemented a wait screen for CRater requests so that students don't
move to another step before they see the CRater feedback.
Merge branch 'master' of https://github.com/WISE-Community/WISE-VLE
Made the previous response box unselectable. Students could previously
copy the text in a disabled textarea if they were using Chrome.
Reworked svg-edit extensions with a convention for publicly accessible methods and variables
Merge branch 'master' of https://github.com/WISE-Community/WISE-VLE into svgedit-2.6