refactored to a newable object, and updated the examples
Merge pull request #17 from dbouwman/feature/14-cedar-obj

refactored to a newable object, and updated the examples
Merge pull request #18 from ajturner/master

Updating contributing documentation
big refactor of defintion json, and thus the code
refactored to be stateful, and use a defn object
Merge pull request #21 from dbouwman/refactor-to-spec

Refactor
chart to map integration jsapi
Merge pull request #22 from benheb/brendan-dev

chart to map integration jsapi
Added optional 'override' for specification customization