Initial support for network acls
get_all_network_acls now works properly
Removed extraneous comments.
Added support for associating and disassociating network ACLs and
subnets.
Added supoprt for replacing network acl entries.
Now properly populates NetworkAclEntry class with icmp & port range
options.
Removed unnecessary import of NetworkAclEntry.
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 documentation for known configuration options for boto (re #1100)
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
Fix a gs versioning test failure.
Merge pull request #1391 from reinhillmann/gstestfix

Fix a gs versioning test failure.
Merge pull request #1376 from pasc/1100_boto_config_docs

Add documentation for known configuration options for boto (re #1100)
Upgrade version of nose used.
Add missing function parameter (re: #1357)
Bubbling up md5 and upload_id for use in manifests.
Merge pull request #1394 from reinhillmann/manifestfixes

Bubbling up md5 and upload_id for use in manifests.