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

7197491: update copyright year to match last edit in jdk8 jdk repository
Reviewed-by: chegar, ksrini

6354758: rename old test HttpServer classes
Reviewed-by: chegar, michaelm, khazra
Contributed-by: John Zavgren <john.zavgren@oracle.com>

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

6907177: Update jdk tests to remove unncessary -source and -target options
Reviewed-by: ohair

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