jdk: Fix sanity check in parseInt.
locks: Port locking code from RTGC implementation.
locks: Initialize lock fields in handles, include lock fields in headers for scoped memory.
Merge branch 'master' of https://github.com/jop-devel/jop
Merge branch 'locks' of https://github.com/jop-devel/jop

Conflicts:
	java/target/src/common/com/jopdesign/sys/JVM.java