- It modifies the Dockerfile and entrypoint slightly to allow for OpenShift SCCs to operate correctly
- It adds 2 template examples that can be easily modified by changing parameters
Fixes#572
* Use ConfigMaps or Endpoins for leader elections and to keep cluster state
* Label pods with a postgres role
* change behavior of pip install. From now on it will not install all dependencies, you have to specify explicitly DCS you want to use Patroni with: `pip install patroni[etcd,zookeeper,kubernetes]`