8055008: Clean up code that saves the previous versions of redefined classes
Summary: Use scratch_class to find EMCP methods for breakpoints if the old methods are still running.
Reviewed-by: dcubed, sspitsyn
8056242: Add function to return structured information about loaded libraries.
Summary: Return structured information about loaded libraries.
Reviewed-by: sla, dsamersoff
Contributed-by: fredrik.arvidsson@oracle.com