Use meter 2.0.2's built-in provisioning ability

This simplifies the script a fair amount and makes future additions to
the meter provisioning process easier as the logic is centralized in the
package itself.
tag the meter with all available tags in an EC2 environment

attempt to discover what tags the meter has by using ec2/euca tools

Thanks to ralph-tice for a prototype patch.

https://github.com/boundary/boundary_scripts/pull/5
openSUSE support