resource_identifiers should be protected
Fix typo in SimpleEmailService::Identity
Merge pull request #305 from kdayton-/typo_fix

Fix typo in SimpleEmailService::Identity
Updated simple_email_service/identity_spec.rb with tests for #verify_dkim
Ignore some Gemfile groups in Travis tests.
Update docs.rake
Updated indentation of simple_email_service/identity_spec.rb
Added AWS::STS::Client#decode_authorization_message
Merge pull request #304 from zenazn/resource_identifiers

resource_identifiers should be protected
Updated list of supported API versions in the README.
Update documentation for AWS.memoize.

AWS.memoize documentation incorrectly stated that memoize was
only supported for EC2, when in fact it is supported for classes
which inherit from Resource.
AWS::S3::Client#put_bucket_website now omits empty routing rules.

This resolves an issue where passing `:routing_rules => []` to the
client would result in an error returned from Amazon S3.  S3 does
not accept `<RoutingRules/>`.

Fixes #308
Merge pull request #310 from aws/s3-website-fix

AWS::S3::Client#put_bucket_website now omits empty routing rules.
Disabed aync test.
Updated AWS::Redshift::Client to latest API version.
Bump version to 1.13.0
Added support for paging Amazon EC2 reserved instances offerings.
Configured yard to use rdiscount instead of redcarpet.
Removed static API documentation from client classes.
Minor yard doc tag fix.