removing unbundled-resources concept from the model since it can now be a BRJS plugin
adding basic unbundled-resources plugin
adding more tests and improved exception for unbundled-resources plugin
generating the correct valid dev/prod paths for unbundled-resources
removing TODO comment that isnt valid anymore
checking the unbundled-resources dir exists before we try and get a file iterator for it
adding extra test for prod content paths
Merge pull request #394 from BladeRunnerJS/unbundled-resources

Adding support for unbundled resources