Fix some typos and update instructions to convert Google's auth key.

Closes #254.

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
LIBCLOUD-525: Add VPC lifecycle support into the EC2 driver. This PR includes the ability to describe, create, delete, attach and detach VPC Internet gateways.

Closes #255

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
Merge branch 'trunk' of https://git-wip-us.apache.org/repos/asf/libcloud into trunk