Add crypto support to GP11 library. Add support for auto-login of context

Add crypto support to GP11 library. Add support for auto-login of context

	* gp11/gp11.h:
	* gp11/gp11-call.c:
	* gp11/gp11-marshal.list:
	* gp11/gp11-object.c:
	* gp11/gp11-private.h:
	* gp11/gp11-session.c:
	* gp11/gp11-slot.c:
	* gp11/tests/gp11-test.h:
	* gp11/tests/gp11-test-module.c:
	* gp11/tests/Makefile.am:
	* gp11/unit-test-gp11-crypto.c:
	* gp11/unit-test-gp11-session.c: Add crypto support to GP11 library.
	Add support for auto-login of context specific unlock of keys. Rework
	how auto-login of a token works.

svn path=/trunk/; revision=1413