Merge pull request #57 from hltbra/master

Make `integer()` validator work with any integer-like object
Rename name var to title to prevent clash with OpenStack resources

Some OpenStack resource types have a 'name' property, which won't
be populated without this change.
Add OpenStack native resource types

We also duplicate the AWS AutoScalingGroup type due to an issue
with integer/string handling differences between AWS and the
OpenStack compatibility layer
Add two OpenStack examples and output templates
Move openstack components into a submodule
Update changelog
Explicitly add troposphere.openstack package
Add support to ELB ConnectionDrainingPolicy

AWS release note: http://aws.typepad.com/aws/2014/03/elb-connection-draining-remove-instances-from-service-with-care.html