Bunny 1.2.2 support.
Require Pebblebed 0.2 and lock rspec version
Bumb version
Merge pull request #1 from bengler/bunny1.2

Bunny1.2
Remove debug output.
Merge branch 'bunny1.2'
Add logger accessor.
Catch exceptions in DaemonHelper main.
Add convenience method DaemonHelper#run.
Daemon helper: Use Servolux::Prefork more intelligently.
Fix potential worker termination problem.
Nicer exception handling in daemon helper command line main.