8081347: Add @modules to jdk_core tests
Reviewed-by: alanb, joehw, lancea
Contributed-by: alexander.kulyakhtin@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com

7031536: test/sun/security/krb5/auto/HttpNegotiateServer.java should not use static ports
Reviewed-by: xuelei

6844907: krb5 etype order should be from strong to weak
Reviewed-by: valeriep

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6875033: regression: test of 6867665 fail
Reviewed-by: xuelei

6867665: Problem with keytabs with multiple kvno's (key versions)
Reviewed-by: valeriep, ohair