Provide cli tool to expose the library functions.

First version allows moving an EBS volume between instances.
Availability zones are crossed by using snapshots.
Include root certificates and wait for volume available

- Include certificates to be able to run without any OS dependencies.
- Wait for volume to become available before trying to attach it.
Add detach command and re-use already attached volume

- Checks if volume is already attached to instance
- Provide command for detaching volumes
Increase timeouts

Make more room for slow AWS replies.