[rules-dev] core and compiler

core and compiler should now compiled and all unit tests pass. I have commented out testFromWithParams because there is an MVEL regression, I have added a failing unit test to MVEL and mike will fix soon. There seemed to be some partial committed code for the GlobalDescr work, I fixed this as part of making all the unit tests work - so someone out there might get some wierd conflicts when they next update or try and commit. If someone wants to check the other modules now and make sure they are working. Mark