build: add tools/build_release.sh script
build: add tools/build_release.sh script

Add script to do a release.

dsahern/libnl,dsahern/libnl,greearb/libnl-ct,tklauser/libnl,thom311/libnl,dsahern/libnl,thom311/libnl,tklauser/libnl,tklauser/libnl,tklauser/libnl,greearb/libnl-ct,thom311/libnl,dsahern/libnl,greearb/libnl-ct