Preparing release 2.0.0
Preparing release 2.0.0

This release of `elastomer-client` is now compatible with the ES 2.X main
major version. The decision was made to sync up the client version number with
the Elasticsearch version number - at least the major number. Hence the jump
from 0.9.0 to 2.0.0

github/elastomer-client,github/elastomer-client