7001094: Can't initialize SunPKCS11 more times than PKCS11 driver maxSessionCount Summary: Changed SessionManager to keep track of session count for each instance Reviewed-by: mullan

7035555: 4/4 attach/BasicTests.sh needs another tweak for Cygwin Summary: Test needs to properly detect missing AgentInitializationException. Clarify when exceptions are expected. Another Cygwin tweak. Reviewed-by: dsamersoff, ohair