* Makefile.am: added missing gcompris-edit.desktop
	* boards/billard.xml.in: changed board plugin name
	* boards/chronos/board3_0.xml.in: fixed car invention date
	* boards/chronos/board3_2.xml.in: fixed car invention date
	* boards/chronos/board3_4.xml.in: fixed car invention date
	* boards/melody.xml.in: changed board plugin name
	* boards/pythontest.xml.in: changed board plugin name
	* boards/redraw.xml.in: changed board plugin name
	* boards/redraw_symmetrical.xml.in: changed board plugin name
	* boards/sounds/Makefile.am: added it
	* boards/sounds/fr/Makefile.am:
	* boards/watercycle.xml.in:
	* configure.in: release 5.3.1, added italian
	* gcompris.spec.in: added italian voices
	* po/POTFILES.in: added missing files
	* src/boards/advanced_colors.c: (is_our_board): fixed missing static
	* src/boards/algebra.c: (key_press): -
	* src/boards/algebra_guesscount.c: (is_our_board): -
	* src/boards/canal_lock.c: (is_our_board): -
	* src/boards/chess.c: (is_our_board): -
	* src/boards/click_on_letter.c: (is_our_board): -
	* src/boards/clickgame.c: (clickgame_is_our_board): -
	* src/boards/clockgame.c: -
	* src/boards/colors.c: (is_our_board): -
	* src/boards/draw.c: (key_press): -
	* src/boards/enumerate.c: (key_press), (is_our_board): -
	* src/boards/erase.c: (is_our_board): -
	* src/boards/fifteen.c: (is_our_board): -
	* src/boards/gletters.c: (key_press): -
	* src/boards/hanoi.c: (is_our_board): -
	* src/boards/imageid.c: -
	* src/boards/leftright.c: (is_our_board): -
	* src/boards/machpuzzle.c: (is_our_board): -
	* src/boards/maze.c: (is_our_board): -
	* src/boards/memory.c: -
	* src/boards/menu.c: -
	* src/boards/missingletter.c: -
	* src/boards/money.c: -
	* src/boards/paratrooper.c: (key_press): -
	* src/boards/planegame.c: (key_press): -
	* src/boards/python.c: (pythonboard_pause), (pythonboard_end), -
	(pythonboard_is_our_board), (pythonboard_key_press), -
	(pythonboard_ok), (pythonboard_set_level), (pythonboard_config), -
	(pythonboard_repeat): -
	* src/boards/railroad.c: -
	* src/boards/read_colors.c: (is_our_board): -
	* src/boards/reading.c: -
	* src/boards/reversecount.c: -
	* src/boards/shapegame.c: (key_press): -
	* src/boards/smallnumbers.c: (key_press): -
	* src/boards/submarine.c: (is_our_board): -
	* src/boards/superbrain.c: (is_our_board): -
	* src/boards/target.c: (key_press), (is_our_board), -
	(display_windspeed): -
	* src/boards/traffic.c: (is_our_board): -
	* src/boards/wordsgame.c: (key_press): -
	* src/gcompris/Makefile.am: removed useless pluginenum.c and .h
	* src/gcompris/about.c: (gcompris_about_start):
	* src/gcompris/board.c: (init_plugins), (get_current_board_plugin),
	(board_check_file), (board_play), (board_stop): changed to include the work done by pluginenum.
	now use g_module instead of dl_open and plugins are loaded only when needed.
	Note that they are never unloaded yet.
	* src/gcompris/board.h: cleanup
	* src/gcompris/config.c: (gcompris_config_start):
	* src/gcompris/gameutil.c: (gcompris_read_xml_file),
	(selectMenuXML), (gcompris_load_menus): replaced scandir by readdir
	* src/gcompris/gcompris-board.h: added g_module items in our plugin struct
	* src/gcompris/gcompris.c: (board_widget_key_press_callback),
	(gcompris_get_locale), (gcompris_set_locale): use g_getenv instead of getenv
	* src/gcompris/gcompris.h: removed pluginenum.h
	* src/gcompris/pluginenum.c: removed. the code here is now included in boards.c
	* src/gcompris/pluginenum.h: removed. the code here is now included in boards.c
	* src/gcompris/properties.c: (gcompris_properties_new): use g_getenv instead of getenv