Release 1.3.1

# Release 1.3.1

## New features:
* #16, #23: Introduced template paths for both consuming and publishing REST services. For example urls like `http://myapp.com/rest/groups/{groupId}/users/{userId}` can be used.
* #15, #27: improved handling of errors

## Issues fixed:
* #18: introduced RestServiceError entity for improved error handling
* #19: improved handling of connection errors
* #13: introduced setResponseStatus
* #14: introduced alternative basepath for rest api's
* #17: JSON deserialization is now case insensitive
* #25: Microflow services now always require a HTTP verb upon definition
* #24: Improved URL decoding
* #26: Improved handling of booleans not available in the request data
* #21, #22: Several optimizations in handling urls concerning casing and leading or trailing slashes
* POST requests to a dataservice now return a JSON object with the object key