Import backport_ktp.sh and package_new_ktp.sh

package_new_ktp.sh will package a new KTP release and takes the old
release and new release versions as arguments.

backport_ktp.sh will backport KTP releases once they've landed in the current
dev version of Ubuntu to another release. It takes a ubuntu release and a PPA
as arguments.
Pass the release for which we want to package the new KTP release