* feat(java-jersey2): Adding http response headers and making example compilable
* feat(java-jersey2): Updating pet project
* feat(java-jersey2): Removing uncessary lines from Readme
* feat(java-jersey2): Updating pet projects
* feat(java-jersey2): Updating pet projects
* support form-data file MIME `name` parameter
* update test spec and Go client for form-data file name
* update samples for ensure-up-to-date
* update mustache template
* update samples for Go client
* improve assignment location
* update samples
* implemented core integration with play 2.4 ws
* added shell script to test on CI
* added shell script to composite file for all java generators
* added some comments
changed promise param to Response<T> to allow access to http status code and raw response if needed
* removed unnecessary whitespace changes
* added java7 compatibility, play ws deps to pom.xml
* added generated play24 client
* fixed imports