updating for openstack work
Merge branch 'master' of github.com:rackspace-cookbooks/phpstack into pfire

Signed-off-by: Matthew Thode <mthode@mthode.org>
set to nil if deep_fetch is not an available method

Signed-off-by: Matthew Thode <mthode@mthode.org>
Merge pull request #219 from rackspace-cookbooks/pfire

updating for openstack work