* boards/anim.xml.in: updated the help
	* boards/boardicons/searace.png: updated
	* boards/draw.xml.in: moved to difficulty 0. no more needed, replaced by anim.
	* docs/C/python.xml: API change in the file selector to have a file type passed
	* src/boards/draw.c: (key_press), (tool_event): API change in the file selector to have a file type passed
	* src/boards/py-mod-gcompris.c: (pyFileSelectorCallBack),
	(py_gcompris_file_selector_load), (py_gcompris_file_selector_save): API change in the file selector to have a file type passed
	* src/boards/python/anim.py: API change in the file selector to have a file type passed
	* src/boards/python/searace.py: fixed all remaining bug. Still need to display the commands
	* src/gcompris/file_selector.c: (gcompris_file_selector_save),
	(gcompris_file_selector_load), (display_file_selector),
	(item_event_file_selector): API change in the file selector to have a file type passed
	* src/gcompris/gcompris.h: API change in the file selector to have a file type passed