Updates README
We need to ensure to enable etcd v2, cfr. and
@@ -107,7 +107,7 @@ obtain those files from the git repository and replace `./patroni.py` below with
To get started, do the following from different terminals:
::
- > etcd --data-dir=data/etcd
+ > etcd --data-dir=data/etcd --enable-v2=true
> ./patroni.py postgres0.yml
> ./patroni.py postgres1.yml
