tools/build/gnome-shell.modules: Point at master branch of Clutter (0.9)
and make gobject-introspection a dep of Clutter.
configure.ac src/Makefile.am: Use Clutter-0.9
js/ui/button.js js/ui/genericDisplay.js js/ui/overlay.js js/ui/panel.js
js/ui/runDialog.js js/ui/workspaces.js src/shell-status-menu.c:
Use ClutterText instead of ClutterLabel and ClutterEntry
js/ui/workspaces.js js/ui/genericDisplay.js: Use ClutterClone instead
of ClutterCloneTexture
src/shell-global.[ch]: Add Shell.get_event_key_symbol() to workaround
unaccessibility of clutter_key_event_symbol() to use.
js/runDialog.js js/overlay.js: Use Shell.get_event_key_symbol() as
appropriate.