Reflect the node's purpose in its name for the Amazon Console.
Reflect the node's purpose in its name for the Amazon Console.

For instance before:
 - bugzilla (stage)

After:
 - bugzilla [Web Server] (stage)

Fixes #265

gozer/nubis-stacks,tinnightcap/nubis-stacks,tinnightcap/nubis-stacks,limed/nubis-stacks,gozer/nubis-stacks,Nubisproject/nubis-stacks,Nubisproject/nubis-stacks,limed/nubis-stacks