Update the WS documentation so it all compiles and looks nice
Merge pull request #1475 from wsargent/fix-1475

Clean up PlayWS documentation for 2.2
Merge pull request #1508 from jroper/csrf-refactor

CSRF improvements
Upgraded to sbt 0.13.0
ActionBuilder docs and improvements

* Added ActionBuilder.composeAction method
* Added new authentication action builder
* Documented actions composition using ActionBuilder
* Modified play-docs so that in the documentation project it can serve
  API docs from the JAR while still serving the manual off the
  filesystem