Patch from Nat Friedman <nat@novell.com>

	    * mono/Makefile.am: A number of small build fixes to allow "make
	    distcheck" to succeed.

	    * mono/example/Makefile.am: "make distcheck" fixes.

	    * mono/AssemblyInfo.cs.in: When signing the assembly, look for the
	    key in @srcdir@.

	    * test/Makefile.am: "make distcheck" fixes.