Bump support to 2012-12-12 API version.
Add support for health checks
Add health_check param
Add nose Route53 tags to route53 tests to allow for simple testing of just Route53 APIs
Refactor base class to simplify setup of multiple testcases
Update (c) messages to match boto style
Update to the 2013-04-01 API and add support for string health checks
Factor attributes to class level
Add documentation
Add integration tests
Change the example domain from example.com to bototest.com for integration tests to avoid the error
We encountered an error creating delegation set for your hosted zone. Please contact: awsdns-hostmaster@amazon.com
Merge branch 'tellybug-develop' into develop.

Adds support for Route53 health checks. Fixes #2054.

Conflicts:
	boto/route53/record.py
	tests/integration/route53/test_resourcerecordsets.py
	tests/integration/route53/test_zone.py
Merge branch 'r53-health' into develop.

Adds Route53 health checks. Fixes #2054.