Add support for next_token to get_all_reservations, and have
get_only_instances use it to fetch all results.
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.
Merge branch 'release-2.28.0'
Merge branch 'release-2.29.0'
Merge branch 'release-2.29.1'
Merge branch 'release-2.30.0'
Merge branch 'release-2.31.0'
Add release notes; bump to 2.31.1
Fixed #1698 and put unit tests on it
Fetch key storage class on-demand.
support module: add backward-compatible support for Python 3.3+
Add unit tests, only fetch value if explicitly set
No longer need to explicitly set to STANDARD for tests which call set_contents* methods
Add seperate doc requirements
Merge pull request #2404 from danielgtaylor/s3-storage-class

Fetch S3 key storage class on-demand. Fixes #2404.
Merge pull request #2412 from danielgtaylor/doc-requirements

Add seperate doc requirements. Fixes #2412.
Merge pull request #2406 from felixonmars/support-py3

support module: add backward-compatible support for Python 3.3+. Fixes #2406.
Merge tag '2.31.1' into develop

Tagging 2.31.1 release.
Merge pull request #2396 from phspagiari/userdata_encode_fix

EC2 UserData encoding fix (Full version of #1698). Fixes #2396.