added duf and nginx and some refactor

scripts/lrzsz.sh

@@ -19,7 +19,5 @@ lrzsz-build() {
     make $makeflags
     check $? "Build ${pkgname}"
     make DESTDIR=$rootfspath install
-    # rm -rv $rootfspath/usr/include $rootfspath/usr/share/man $rootfspath/usr/lib/{pkgconfig,libz.a}
-    # ${CROSS_COMPILE}-strip --strip-unneeded $rootfspath/usr/bin/{lsx,lrb,lrx,lrz,lsz,lsb}
     check $? "Installing to rootfs ${pkgname}"
 }