riak-protobuf-0.25.0.0: Changes.md

* 1.0.0
  - Switch protobuf library from `protocol-buffers` to `proto-lens`
  - Collapse module hierarchy down to `Data.Riak.Proto`

* 0.24.0.0
 - Regenerate protobuf for protocol-buffers 2.4.12. (https://github.com/riak-haskell-client/riak-haskell-client/issues/115)

* 0.22.0.0
  - Support for riak 2.* messages
  - No longer expected to work with riak <= 2
  - Tested on both 2.0.x and 2.1.x