Merge branch 'release-0.36.0' into develop

* release-0.36.0:
  Bumping version to 0.36.0
UTF-8 encode string before urlencoding it

Otherwise unicode chars aren't handled properly.
See https://github.com/aws/aws-cli/issues/711
Merge branch 'sigv2-unicode' into develop

Closes #262

* sigv2-unicode:
  UTF-8 encode string before urlencoding it
Service API updates
Bumping version to 0.37.0
Merge branch 'release-0.37.0'

* release-0.37.0:
  Bumping version to 0.37.0
  Service API updates
  UTF-8 encode string before urlencoding it