minor supports syntax
cleaned up a few lines of test code
improved db tests

Was missing a test to ensure mysql::client and
mysql:ruby were installed.
Compat and STDOUT cleanups

* Using standard hash ref vs ruby 1.9 syntax, for those
  using a ruby 1.8 chef 10 server.
* Set logging to fatal, to squelch the annoying output.
Merge pull request #17 from retr0h/working

minor supports syntax