Initial import of gatling-jms, yet to build
Now building, not yet integration tested
Merge pull request #1573 from excilys/gatling-jms

Gatling jms
format
organize imports
Turn JmsMessage into a trait
username and password only make sense together, use Credentials case class
Add missing license header
Minor clean up
CssExtractor requires configuration to be set up beforehand
No need to reset config for every test
Make some HTTP parts dynamic, close #1581
Shutdown ActorSystem after tests
Failure implicit doesn't have to take a type parameter
Recorder: have a different color for filters rows, close #1549
Turn Filter into an abstract class and move regexs method up
Validate filter regex, close #1542