Partial merge of master (without statusservice, jetty 9.2 or gson 2.3)
added translation from API declaration to RWADef (https://github.com/restlet/apispark/issues/2216)
fixed Swagger 1.2 to RWADef translation issue with duplicate representations (https://github.com/restlet/apispark/issues/2216)
added example property in RWADef (Property and Parameter) (https://github.com/restlet/apispark/issues/2198)
deleted old dependencies
added samples in RWADef -> RAML translation (https://github.com/restlet/apispark/issues/2199)
added limitations on supported extensions (https://github.com/restlet/apispark/issues/2199)
cleaned code, added support for lists and complex fields (https://github.com/restlet/apispark/issues/2199)
removed commented code (#2192)
fixed default date (https://github.com/restlet/apispark/issues/2199)
switched visibility of getSampleValue to public (https://github.com/restlet/apispark/issues/2199)
Partial merge of master (without statusservice, jetty 9.2 or gson 2.3)