Merge branch 'release-0.7.0'

* release-0.7.0:
  Bumping version to 0.7.0
  Adding some OpsWorks unit tests.
  Add support for required boolean parameters.  Fixes #47.
Merge branch 'release-0.8.0'
Merge branch 'master' of github.com:aws/aws-cli
Merge branch 'release-0.8.1'
Bumping version number.
Merge branch 'release-0.8.2'
Merge branch 'master' of github.com:aws/aws-cli
Merge branch 'develop' of github.com:aws/aws-cli
Hotfix to include new Redshift region.
Added unit test for beanstalk update-configuration-template command.