Changed old test runner specs to use new dsl

One more step toward being able to replace the old with the new
Changed old "Reporting" spec to use new DSL

One more step towards deleting the old DSL
Killed old DSL

The old DSL is clumpsy, and the new DSL offers better support for
extensibility.
Renamed DslV2 to Dsl
Implemented dynamic metadata lookup
Retrieve ctx metadata through dynamic operator

Is it nicer? good question.