* boards/algebramenu.xml.in: Fixed english typos, it's Math not Maths
	* boards/boardicons/memory_sound.png: created based on Francks artwork
	* boards/boardicons/memory_sound_tux.png: -
	* boards/colors_group.xml.in: Fixed english typos, it's Color not Colour
	* boards/guessnumber.xml.in: Fixed English typos: Tux hide(s) a number
	* boards/memory_sound.xml.in: Updated board description, documentation
	* boards/memory_sound_tux.xml.in: Updated  board description, documentation
	* po/POTFILES.in: added memory_sound
	* src/boards/memory.c: (update_scores), (create_item): added a text shadow
	* src/boards/money.c: (money_next_level): Now the money format is I18N (to Use $...)
	* src/gcompris/gameutil.c: (gcompris_find_absolute_filename): removed debug printout
	* src/gcompris/gcompris.c: (init_background), (gcompris_init): Moved the xrandr fullscreen set at
	                           the end of the initialisation to avoid flickering.