pushrelease could also be used to only push tags

Signed-off-by: Giovanni Meo <gmeo@cisco.com>
Removed lispflowmapping hack

- Cleaned up lispflowmapping hack

Signed-off-by: Giovanni Meo <gmeo@cisco.com>
Remove wrong error message on pushrelease

- puhsrelease can also work without supplying the maven repo to push
to

Signed-off-by: Giovanni Meo <gmeo@cisco.com>
Allow to have the major release to use the tag derived by the root pom

- Also save a refs/tags/scmtag to the SCM tag, so we don't have to
guess it.
- Also created the git pointer refs/tags/nextdev to the next dev
version, so we use to push to the next revision.

Signed-off-by: Giovanni Meo <gmeo@cisco.com>