modified / added new icons

src/main/resources/ui/util/camsclusterblock.gif

src/main/resources/ui/util/camsconverterportE.gif

src/main/resources/ui/util/camsconverterportN.gif

src/main/resources/ui/util/camsconverterportS.gif

src/main/resources/ui/util/camsconverterportW.gif

src/main/resources/ui/util/camsdeblock.gif

src/main/resources/ui/util/camsdeport.gif

src/main/resources/ui/util/camstdfblock.gif

src/main/resources/ui/util/camstdfport.gif