Added SkinnyApiController/SkinnyApiServlet without Scalate, Flash
Fixed StackOverflowError at setHeader, addHeader
Refactored validator's Error API to be friendly with json4s
Added sbt-idea (global plugin affects local ivy2 files creation)
Added more tests and examples
Merge pull request #114 from skinny-framework/feature/api

SkinnyApiController/SkinnyApiServlet