Version bump (3.2.0-pre1)
Raise EC2 API version to 2014-06-15
Implement Create/Describe/DeleteCustomerGateway
Implement create/describe/delete DHCP options
Implement AssociateDhcpOptions
Implement Create/Describe/DeleteNetworkInterface
Implement Attach/DetachNetworkInterface
Implement AssignPrivateIpAddresses
Implement Create/Describe/DeleteInternetGateway
Implement Attach/DetachInternetGateway
Add Create/Describe/DeleteVpcPeeringConnection
Implement Accept/RejectVpcPeeringConnection
Implement Create/Describe/DeleteVpnGateway
Implement Attach/DetachVpnGateway
Implement Create/Describe/DeleteVpnConnection
Implement Create/DeleteVpnConnectionRoute
Implement Describe/ModifyNetworkInterfaceAttribute
Implement UnassignPrivateIpAddress
Implement ResetNetworkInterfaceAttribute
Implement Enable/DisableVgwRoutePropagation