Added failing test for a string-arg future call
Stubbed out future(String => LAFuture)
Added a (String) => LAFuture service test
Implemented future(String => LAFuture) support
Implemented future(Model => LAFuture)
Added scaladocs to future
Documented LAFuture[T] support
Added a test for a call which returns LAFuture[Empty]
Added a test for a future which is satisfied before it is returned to us