8161121: VM::isSystemDomainLoader should consider platform class loader
Reviewed-by: alanb

8177530: Module system implementation refresh (4/2017)
Reviewed-by: mchung, alanb
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com

8177835: System.LoggerFinder#getLogger or getLocalizedLogger does not throw NPE
Reviewed-by: rriggs, mchung

8163162: The separation between system loggers and application loggers should take the extension loader in consideration.
Summary: DefaultLoggerFinder.isSystem is changed to return 'true' for classes loaded from the platform loader and its ancestors. This means that classes loaded by the platform loader will get exactly the same kind of loggers than classes loaded by the boot (null) loader.
Reviewed-by: rriggs, mchung

8148568: LoggerFinder.getLogger and LoggerFinder.getLocalizedLogger should take a Module argument instead of a Class.
Summary: Changes System.LoggerFinder methods to take a Module argument instead of a Class.
Reviewed-by: mchung

8140364: JEP 264 Platform Logger API and Service Implementation
Summary: Initial implementation for JEP 264 Platform Logger API and Service
Reviewed-by: mchung, psandoz, rriggs