the .pause() element can use a session key as a parameter
also add ".pause(String, String)" in the DSL
that's an Expression also
Use EL parameters in the DSL
Make use of the stringToExpression implicit conversion
Merge pull request #979 from nremond/pause_el

The .pause() element can use a session key as a parameter
Upgrade Scala 2.10.1-RC2
Update from master