Initial support for DBSubnetGroup
_sign_string private_key_file can now be file-like

Distribution._sign_string is now a little bit more flexible, allowing
the private_key_file to be a file-like object (or really anything with a
.read() method).
Added support for block device mappings in autoscaling groups (re #753, #1343)
updat incorrect copyright
Add xml parsing to s3 website module
New methods to get and set website configurations

The following methods are defined:
- get_website_configuration_xml
- get_website_configuration_obj
- set_website_configuration
- set_website_configuration_xml
Add missing function parameter (re: #1357)
try RFC1123
Update __init__.py
Fixed typos.
Log request params in _mexe
mod utils.py:get_instance_metadata allowing access to dynamic data
Abstracted some of #1383 & added tests.
Made the tests comply with 80 char lengths per @jamesls's request.
no version change
add integration test
Merge pull request #1397 from fivethreeo/develop

Amazon S3 date format
Change default gs.acl.Acl entry list to be an actual Entries object.
Merge pull request #1408 from jterrace/fix-acl-init

Change default gs.acl.Acl entry list to be an actual Entries object.
Support for GCS object composition and CRC32c hashes.