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
Run test only on systems with 2Gbyte or more memory. Don't zap heap to reduce execution time. Reviewed-by: iveresov
Fixed tests. Reviewed-by: iveresov, never