Add support for VPCPeeringConnections.
Update support for VPCPeeringConnections. (New boto version in Travis matrix and gte threshold for tests.)
Merge pull request #156 from DreadPirateShawn/VPCPeeringConnections

Add support for VPCPeeringConnections.
Add @DreadPirateShawn to authors.
Merge pull request #162 from andresriancho/master

Fix block device mapping #160
0.3.4
Minor refactoring to avoid code duplication
Fix NotImplementedError: The describe_instance_status action has not been implemented #163