* bootstrap*: kill the 2.4/2.6/2.8 straps, they are on a
branch now. update 2.10 strap for new apis.
* sources/Makefile.am : parse 2.16 sources for gnome libs.
* sources/gtk-sharp-2.10-sources.xml : ditto.
* parser/gapi-parser.cs : explicitly use an indented XML writer.
* gnomevfs/gnome-vfs-api-2.16.raw: regen
* gnomevfs/Gnomevfs.metadata: some build fixes
* gnome/gnome-api-2.16.raw: regen
* gnome/Gnome.metadata: some build fixes
* sample/PrintSample.cs: remove new Gtk/Gnome ambiguities.
svn path=/trunk/gtk-sharp/; revision=63078
