Foreman » Packaging

Replace plugin upgrade/install test to fix Bundler errors

When a plugin is upgraded and the version changes, the `bundle show`
command always failed as bundler.d/ had already been updated, but the
Gemfile.lock and vendor/ area was out of date.

Error from an upgrade where 1.0.1 was currently installed, but...

Update foreman_graphite to 0.0.3

Set HOME to ~foreman as rb-readline requires it

add foreman_graphite package