* Makefile.am: added again gnome2-macros
	* docs/screenshots/memory_div.jpg: updated
	* docs/screenshots/memory_div_small.jpg: -
	* docs/screenshots/submarine.jpg: -
	* docs/screenshots/submarine_small.jpg: -
	* docs/take_screenshots.sh: fixed window name
	* po/POTFILES.in:
	* src/boards/py-mod-utils.c: (py_gc_item_absolute_move),
	(py_gc_item_rotate), (py_gc_item_rotate_relative),
	(py_gc_item_rotate_with_center),
	(py_gc_item_rotate_relative_with_center): fixed, bad replace. anim work again.
	* src/gcompris/Makefile.am:
	* src/gcompris/gc_core.h:
	* src/gcompris/gc_net.c:
	* src/gcompris/gcompris.c: (board_widget_key_press_callback),
	(gc_set_background), (init_background), (gc_cursor_set),
	(setup_window), (gc_fullscreen_set), (gc_canvas_item_grab),
	(gc_terminate), (xf86_vidmode_init), (xf86_vidmode_set_fullscreen),
	(xf86_window_configured), (gc_init): added cache support
	* src/gcompris/images_selector.c: (gc_selector_images_start),
	(gc_selector_images_stop), (display_image), (display_image_set),
	(item_event_imageset_selector), (item_event_images_selector),
	(item_event_scroll), (parseImage), (parse_doc), (read_xml_file),
	(read_dataset_directory): typo, removed white space
	* src/gcompris/properties.c: (gc_prop_default_database_name_get),
	(gc_prop_new), (gc_prop_user_dirname_get):
	* src/gcompris/properties.h: added cache support
	* src/gcompris/cache.c: not functional yet cache mecanism for the web version.