Fixes #217. Consistent parameter names.
Merge remote-tracking branch 'upstream/develop' into develop

* upstream/develop:
  Redirect file-like object, don't use isinstance
  Update JSON model with latest versions
  Allow for ETS to SkipTest for HTTP status of 429
  Fixed failing tests from pagination changes.
  Updated pagination tests to add expressions.
  Pagination changes from feedback.
  Updated pagination for jmespath ``result_key``s.
  Altered pagination to use ``more_results``.
  Add more special cases for case conversions
  Fix case conversion issue with SwapEnvironmentCNAMEs
  fix json -> xml request payload conversion
  Bumping version to 0.33.0
  Update route53 to the latest model
  Never catch a bare except clause
Updated PR to use botocore.xform_name
Reintroduce #221

Fixes aws/aws-cli#614.
Reintroduce handler unit tests

Originally from: 59c6cd9
Merge branch 'plus-s3-copy' into develop

* plus-s3-copy:
  Reintroduce handler unit tests
  Reintroduce #221
Added refresh to the metadata credentials.

This also heavily restructures the module itself, which enables
adding/removing credentials without altering module-level scope.
Fixed remaining tests plus some cleanup.
Added ``CredentialResolver`` tests.
Integrated initial feedback.
Update Elastic Transcoder with correct set of available regions
Merge branch 'transcoder-regions' into develop

* transcoder-regions:
  Update Elastic Transcoder with correct set of available regions
Update ELB model to latest version
Update kinesis model with latest docs
Update dep on jmespath to latest version
Bumping version to 0.35.0
Merge branch 'release-0.35.0' into develop

* release-0.35.0:
  Bumping version to 0.35.0
  Update dep on jmespath to latest version
  Update kinesis model with latest docs
  Update ELB model to latest version
Incorporated initial feedback.
Mark CloudFormation required param
More feedback applied to credentials.