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
Refactor Checks with Validation
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
Merge pull request #985 from excilys/check-refacto

Refactor Checks with Validation
Fix merge error, use latest AHC snapshot
Upgrade Jodd 3.4.2, close #986
Upgrade Jackson 2.1.4, close #987
Imports clean up
Fix RegexExtractors
Upgrade commons-math 3.1.1, close #990