* clutter/glx/clutter-glx-texture-pixmap.c: In clutter_glx_texture_pixmap_dispose; trap X errors around glXDestroyGLXPixmap so we can't die due to BadDrawable errors.
* clutter/clutter-marshal.list: * clutter/glx/Makefile.am: * clutter/glx/clutter-backend-glx.c: * clutter/glx/clutter-backend-glx.h: * clutter/glx/clutter-glx.h: * clutter/x11/Makefile.am: ClutterX11TexturePixmap and ClutterGLXTexturePixmap actors (#713; patch by Johan Bilien).