xhh a819e4d523 Support optional parameters in Ruby client
* Pass optional parameters via the `opts` Hash
* Handle query parameters in a way similar to header/form parameters to
  support parameter name normalization, e.g. the "additional_metadata"
  key is passed for "additionalMetadata"
* Rename variables to be consistent: `query_params`, `header_params` and
  `form_params`
* Remove unnecessary blank lines
2015-04-16 15:56:08 +08:00
..
2015-04-08 05:00:10 -06:00