Added a new test_env.txt file to capture common shell variable. Added concept of COMPILEJAVA for use when TESTJAVA is a JRE. If COMPILEJAVA not set then TESTJAVA will be the default with assumption it is a JDK. Reviewed-by: kvn, brutisso, coleenp
Add missing copyright notes to the regression test file. Reviewed-by: twisti, johnc
Do not move data nodes which are attached to a predicate test to a dominating test. Reviewed-by: never