Adding a test for S3 bucket website configuration.
Merge branch 'release-0.29.0' into develop

* release-0.29.0:
  Bumping version to 0.29.0
  Add docs for cloudfront model
  Add support for new cn-north-1 region
  Update models to the latest version
  Bump jmespath dep to 0.2.1
Fix region endpoint for kinesis service

Added integration test (note: need to sign up for the
service to run the integration test).
Merge branch 'kinesis-endpoint' into develop

* kinesis-endpoint:
  Fix region endpoint for kinesis service
Readd empty documentation key

Doc generation depends on a documentation key existing, this was
inadvertently removed in the previous model update.
Merge branch 's3-doc-key' into develop

* s3-doc-key:
  Readd empty documentation key
Fix test import for py26 compat
Log HTTP response headers in debug logs

We've had requests to log the HTTP response headers
in the debug log, as it helps with troubleshooting.
Merge pull request #177 from garnaat/add-website-test

Adding a test for S3 bucket website configuration.
Merge branch 'log-headers' into develop

* log-headers:
  Log HTTP response headers in debug logs
Add a translation to remove the Filters parameters in RDS operations since these are not actually supported on the service side.  Fixes https://github.com/aws/aws-cli/issues/515.
Merge pull request #201 from garnaat/fix-awscli-515

Add a translation to remove the Filters parameters in RDS operations
Allow configurable metadata service timeouts

The default has been changed to 1, which is now consistent with
boto and other AWS SDKs.
Allow metadata attempts to be retried

Note that this does not plumb anything into the session via
config vars.  I think that should be a separate pull request.
Merge branch 'iam-metadata-timeout' into develop

* iam-metadata-timeout:
  Allow metadata attempts to be retried
  Allow configurable metadata service timeouts
Update models to the latest version
Bumping version to 0.30.0
Merge branch 'release-0.30.0' into develop

* release-0.30.0:
  Bumping version to 0.30.0
  Update models to the latest version
Merge branch 'release-0.30.0'

* release-0.30.0:
  Bumping version to 0.30.0
  Update models to the latest version
  Allow metadata attempts to be retried
  Allow configurable metadata service timeouts
  Add a translation to remove the Filters parameters in RDS operations since these are not actually supported on the service side.  Fixes https://github.com/aws/aws-cli/issues/515.
  Log HTTP response headers in debug logs
  Fix test import for py26 compat
  Readd empty documentation key
  Fix region endpoint for kinesis service
  Adding a test for S3 bucket website configuration.
Honor REQUESTS_CA_BUNDLE env var in Endpoint class

This allows users to set the path to a cert bundle.
The logic is:

* Any explicit value passed to get_endpoint() is used
* Otherwise use REQUESTS_CA_BUNDLE if the var exists in the env
* Otherwise, default to true.