Generate legacy .dmr files on demand, remove .dmr files for core subsystems
Get rid of all .dmr files for subsystem tests
Reinstate susbsystem test controller for 7.1.2 and turn on via system
property. Also fix reading reading dmr model description for 7.1.x
Undertow 1.1.0.Beta4
Merge pull request #10 from kabir/generate-legacy-dmr-on-demand

Subsystem test framework tweaks
Merge pull request #11 from stuartwdouglas/master

Undertow 1.1.0.Beta4
https://issues.jboss.org/browse/WFLY-3578 jboss-cli.bat always exits with return code 0 even after a cli failure