Add pretend networking and interface association to the network interface mocking
sub double for single quotes
Treat device index as string instead of int
Set instance vpcId based on subnet vpcId
More aggressively reset the mocking environment
Merge remote-tracking branch 'upstream/master' into validate_ips
Add ipaddress gem requirement
Add some line breaks to duplicate interface failure test
Merge in change from upstream in security group handling
Reset mocking environment before acl test
Reset mocking environment in ELB model tests
Reset mocking environment in internet gateway tests
Reset mocking environment in route tests
Reset mock environment in assign private ip tests
Allow subnets with same CIDR but different IP (and test for it)
Merge pull request #2688 from evertrue/validate_ips

Mock out the full AWS EC2 network interface attachment system