Tool to test RPC MaaS configuration

This tool originally lived in rpc-maas repo but is being moved since
it's not actually a plugin.  To document, the tool does:

- prints out triggered alarms
- tests all checks for an entity and alerts if a check fails
- deletes all checks (and alarms)
Merge pull request #524 from mattt416/add_maas_tool

Tool to test RPC MaaS configuration