list of changes:

[in general]
- using eclipse sbt plugin as a global plugin
- minor bug fixes

[bragger-core]
- NSIsignoreJSONFormatter now implements the writeTo method to support json wrapper element when serializing request body
- changed namespaces in the wsdl generation to have better organization of api client code in java packages
- factored out few utility methods into SwaggerHelper
- bug fixes and better support for Lists/Arrays in the wsdl generation
- bug fixes in the xsds generation
- avoiding generating <input> tag in the wsdl when not necessary
- changed Void wsdl type to EmptyResponse
- requiring the whole pacakge name in the responseClass filed of the swagger @ApiOperation and parameters annotations

[bragger-play2]
- fixed getXsd method, see changes in bragger-core

[bragger-sbt]
major improvements
fixed the problem of default value of ApiConfig value. Now a default value is provided directly by the plugin
added logs