first step to cleaning for EC
JavaInvoker dropped from last commit
replacing all ExecutionContext with internal Play when it makes sense, using JavaInvoker for all Java
renaming and cleaning
fixing Concurrent.unicast
Merge pull request #502 from pk11/dont-use-core-io

remove play.core.util.IO, use scala-arm instead
fixing tests after ExecutionContext refactoring
First documentation review – Reorganize, fix broken links
Merge pull request #504 from pk11/fixing-tests

fixing tests after ExecutionContext refactoring
[#329] Made Java WSRequest.execute public
Allow instantiation via user-provided instantiator when doing action composition
Merge pull request #448 from Dinduks/master

Add the build instructions to the README
Merge pull request #399 from julienrf/feature/json-enumeratees

Add Enumratees from and to JsValue
Merge pull request #503 from jroper/discardcookie

Implemented feedback for discarding cookies
Merge pull request #501 from jroper/package-name

Support any Java identifier as a package name
Merge pull request #390 from juretta/http-status-codes

Add missing HTTP status codes to Results and StandardValue
Add Enumerator.outputStream
Merge jto/play-filters and jto/CSRF
csrf: only protect POST
csrf: only check token om form encoded and multipart