Move gerrit scripts into puppet module

Moving the cron executed gerrit scripts into the puppet module.  This is for two reasons:

1. Easier/faster to deploy/maintain than having a cron job for a separate git repo
2. We can add customisations required for review-dev and stackforge

Change-Id: Iaf44e1d57d6ee6ea282575b1b48261f4ccbbaf3f
5 files changed