Rollback change to that Install configs into /etc

We are getting failures in gate jobs

Example:
2014-02-12 08:01:40.259 | creating /etc/pycadf
2014-02-12 08:01:40.259 |
2014-02-12 08:01:40.259 | error: could not create '/etc/pycadf': Permission denied

from:
http://logs.openstack.org/30/72330/1/check/check-requirements-integration-dsvm/10d26a8/console.html

Change-Id: I828a352a89f08f1898635215a94273222100fdd8