make oc_chef_authz a tunable in private-chef.rb
Changelog and Relnotes for OC-11769
Merge pull request #561 from opscode/irving/OC-11769

[OC-11769]  Make oc_chef_authz a tunable in private-chef.rb
Use the opscode-erchef authz timeout
Update CHANGELOG and RELEASE_NOTES for authz_timeout
Merge pull request #563 from opscode/ryan/authz_timeout

Allow oc_chef_authz's timeout to be tunable
Allow postgresql slow query logging to be tuneable
Update CHANGELOG and RELEASE_NOTES for postgresql logging
Merge pull request #565 from opscode/ryan/slow_log

Allow postgresql slow query logging to be tuneable
Backport oc_erchef into 11

This brings the latest erchef/oc-chef-pedant into EC 11.
Bump version of oc_erchef