* art/Art.metadata : new xpath metadata rules
* art/Makefile.in : apply metadata before generation
* atk/Atk.metadata : new xpath metadata rules
* atk/Makefile.in : apply metadata before generation
* gda/Gda.metadata : new xpath metadata rules
* gda/Makefile.in : apply metadata before generation
* gdk/Gdk.metadata : new xpath metadata rules
* gdk/Makefile.in : apply metadata before generation
* gnomedb/GnomeDb.metadata : new xpath metadata rules
* gnomedb/Makefile.in : apply metadata before generation
* pango/Pango.metadata : new xpath metadata rules
* pango/Makefile.in : apply metadata before generation
* parser/Makefile.in : build and install new gapi-fixup
* parser/gapi-fixup.cs : new xpath based metadata engine
* sources/*.metadata : remove most of the old metadata,
still have to convert Gtk and Gnome to xpaths.
svn path=/trunk/gtk-sharp/; revision=18947
