engine.base.xqy - Added normalize-uri function to support generating precise uris.
Fixed up base.edit.html.xqy/base.new.html.xqy to fit with Bootstrap model.
base-model.xqy/domain.xqy - Fixed xs:ID mapping for identity attribute mapping to xs:type

engine.html.xqy - Added Custom Grid support using Tags built-in.
engine.json.xqy - Fixed issue in json bug for model generated output.

form-helper.xqy - Fixed config:property function to accept default and added acceptable defaults for form-helper.