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Minor cleanup

see edd81a79

see 865cf830

* dashboard should be in dashboard controller not project index
* projects index removed

Connection fix for resque worker

Add missing libyaml-dev to debian install script

only address resque works in post_receive and mailer queue

Update rails version to 3.2.5

Models Refactoring: Move methods to roles

Fix a minor typo in example configuration file

set encoding to utf-8 for pygments.rb wrapper

new ruby version and fix of Ubuntu