Documentation: Deleted non-existing project from libraries-and-tools.md
- [mattn/etcdenv](https://github.com/mattn/etcdenv) - "env" shebang with etcd integration
- [kelseyhightower/confd](https://github.com/kelseyhightower/confd) - Manage local app config files using templates and data from etcd
- [configdb](https://git.autistici.org/ai/configdb/tree/master) - A REST relational abstraction on top of arbitrary database backends, aimed at storing configs and inventories.
-- [scrz](https://github.com/scrz/scrz) - Container manager, stores configuration in etcd.
- [fleet](https://github.com/coreos/fleet) - Distributed init system
- [kubernetes/kubernetes](https://github.com/kubernetes/kubernetes) - Container cluster manager introduced by Google.
- [mailgun/vulcand](https://github.com/mailgun/vulcand) - HTTP proxy that uses etcd as a configuration backend.
