Set Verbose Logging by Default

This does not add that much more overhead to the actual logfiles,
but makes them tremendously more useful in case of unexpected
behavior happening.
propose server services using the intended role
do not check for nova controller, use first node as backup
Merge pull request #42 from dirkmueller/verbose

Let's try verbose for roxy, and revert if we're not happy.
Merge pull request #47 from jsuchome/intended-roles

propose server services using the intended role