Reinstated the ability to use reference types within models, and choose them with edit/create handlers.
Merge pull request #11 from smebberson/referencedDocuments
Refactored the cell renderers quite a bit making them asynchronous (removed string), and added new test cases. A record is now updated with rendered cell values prior to pass off to the view (reducing view logic is good).
Merge branch 'refactorFormtoolGridConfigs' of https://github.com/smebberson/linz into refactorFormtoolGridConfigs