* java/lang/ClassLoader.java (setSigners): Implemented.
	* boehm.cc (_Jv_MarkObj): Mark `signers' field.
	* java/lang/natClassLoader.cc (_Jv_InitNewClassFields):
	Initialize new fields.
	* java/lang/Class.java (getSigners): Now native.
	(setSigners): Declare.
	* java/lang/natClass.cc (getSigners): New method.
	(getSigners): Likewise.
	* java/lang/Class.h (Class::signers): New field.
	(Class::setSigners): New method.

From-SVN: r72271