Implement support to mock the http body from Result
Implement support to mock the http body from Result

Applyed some corrections as proposed
Correcting missing import
Test class for the MockHttpResult

There is no implementation for the headers because the
MockHttpServletResponse has no implementation for this data.
Merge pull request #484 from danilomunoz/master

Implement support to mock the http body from Result
#139: Initial suport for Sets
#139: Improve docs and more tests
Licenses on java sources
removing queryString for static file requests (fixes #492)