extract akka example code from scala doc
extract code from scala cache doc
fix package name
Fixed documentation for Action.async.
Update the json contraints error messages with the play defaults
Remove the validate prefix of the JSON error
Add the json api error keys, correct those containing dashes
Merge pull request #1193 from XuefengWu/extract-code-scala-cache

extract code from scala cache doc
Merge pull request #1195 from tototoshi/fix-action-async-documentation

Fixed documentation for Action.async.
Merge pull request #1192 from XuefengWu/extract-doccode-scala-akka

extract akka example code from scala doc
Merge pull request #1212 from Timshel/wip-jsonerror

Modification of the JS ValidationError keys