added duf and nginx and some refactor

scripts/dnsmasq.sh

@@ -14,8 +14,6 @@ dnsmasq() {
     cd ${pkgname}-${pkgver}
     make CC=${CROSS_COMPILE}-gcc ${makeflags}
     check $? "Build ${pkgname}"
-    # ${CROSS_COMPILE}-strip src/$pkgname
-    # check $? "Stripping ${pkgname} binary"
     cp -v src/$pkgname $rootfspath/usr/bin/$pkgname
     check $? "Install to rootfs ${pkgname}"
 }