Add support for next_token to get_all_reservations, and have
get_only_instances use it to fetch all results.
Adding missing health_check value for weighted record sets.
add test that next_token is properly passed from get_all_reservations to
DescribeInstances call
Merge pull request #2189 from catlee/master

Add support for next_token to EC2 get_all_reservations. Fixes #2189.
Add test case check for setting healthcheck property on resource record.
Merge branch 'release-2.28.0'
Add "attributes" parameter to boto.dynamodb2.table.Table.batch_get
Merge branch 'release-2.29.0'
Merge branch 'release-2.29.1'
closes #2304; relocate requirements checks
Fix erroneous param description
Add "expected" argument to boto.dynamodb2.Table.delete_item

Also add the "conditional_operator" argument that goes with it.
Fixed some code formatting and typo in SQS tutorial docs
Documentation update -- Child worflows and poll API. (Issues 2063 & 2064)
Correct list_saml_providers to return all items

Added list_marker of SAMLProviderList so that all Providers are returned instead of just one
DOC Tutorial update for metrics and use of dimensions property. #2336
Let people know only EC2 supported for cloudwatch
add missing route53 autodoc
fix param error in doc
Merge pull request #2343 from zihaoyu/route53_autodoc

Add missing route53 autodoc. Fixes #2343.