Set up Apipie documentation

Needed to support dynamic bindings: See #4781
Merge pull request #41 from iNecas/apipie-bindings

Set up Apipie documentation
Update dependencies
Automatic commit of package [rubygem-foreman-tasks] release [0.5.0-1].
Fix issue if rake is not explicitly in Gemfile
Merge pull request #42 from ares/master

Fix issue if rake is not explicitly in Gemfile