Frontend: + Changed save and demo file extensions to ".<protocol>.hwd" and ".<protocol>.hws" to make file associations easier/constant + Added icons to savegame and demo file list (might require some redrawing/updating)

if(WIN32 AND NOT UNIX)
	file(GLOB DLLs *.dll)
	
	install(FILES
		${DLLs}
		DESTINATION bin)
endif(WIN32 AND NOT UNIX)