Add Modulefile and pre-reqs for Puppet Forge
Release 1.2.0-rc2
Release v1.2.0-rc3
Release v1.2.0
Release 1.3.0-rc1
Release 1.3.0-rc3
Release 1.3.0-rc4
Release 1.3.0
always default to 'git' package

debian has deprecated the git-core package, which is now a synonym for the git
package.
Furthermore the conditional had a typo (missing 's' in `$::operatingystem` ), so
git-core has never been used anyways.
Release 1.3.1
Run git from tmp working directory
Release 1.3.2