countless small optimisation for cmake, output messages are now coherent (mostly) and the options get fully respected (eg. skipping library search if not activated)

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