Parsers: Investigate Eric's validation code and figure out how to pull in more parsed data

[tar672]

From @andrewthecoder on February 3, 2015 15:6

Modify/ write the JS code to take the parsed Schema and Data and actually perform validation, with useful error messages which are simple enough to help the user. Probably building on top of Eric's work:
https://github.com/ericprud/ShExDemo/blob/master/demobits/ShExDemo.js

Copied from original issue: HeriotWattMEng2015/ShExDemo#8

[tar672]

@Doix and I are working on it

[beveradb]

FYI, Jesse's old RDF.js is here: https://github.com/jessevdam/shextest/blob/master/js/RDF.js

[tar672]

This is being handled by #4