Kallithea

- implement the 'Anchor Pattern' for correct class containment

- hotfix for 24

- update metadata
- improve systemd support
- add $port parameter (from 18)
- implement 16, 17 and 19:
- add $rcextensions parameter
- add $service_provider parameter
- add $whoosh_cronjob parameter

- auto-restart kallithea on failure when using systemd

- add $manage_git parameter
- add $version parameter
- add $config_hash parameter
- Support for Debian 8

- Support for Fedora 19 and 20
- Improve spec and acceptance tests
- Fix 9 and 12