Add vnc auth proxy runit script

More info on runit:

http://smarden.org/runit/
Run vncauthproxy cookbook by default
Put vncauthproxy into default recipe
Add flashpolicy service; use attributes for vncauthproxy service

Add flashpolicy runit service. VNC AuthProxy service can now be
configured through cookbook attributes, and the flashpolicy
service can be disabled through attributes.
Use install_dir attribute

Use the install_dir attribute in flashpolicy and vncauthproxy service
commands. Also add runit to the Berksfile
Add test kitchen tests for VNC AuthProxy and FlashPolicy services

Add serverspec tests for VNC AuthProxy and FlashPolicy. This tests
to see if the default ports are open and that the services are running.
Remove unnecessary code and Rubyify
Add attribute to kitchen.yml and remove unnecessary !!
Use yum cookbook > 3.0.0 rather than < 3.0.0

Community cookbooks now support 3.0.0, and berks fails to pull in
runit if using < 3.0.0. See Issue #6
include Serverspec::Helper::DetectOS in serverspec tests
Merge pull request #6 from osuosl-cookbooks/vncauthproxy-runit

This branch is good to go.