As advised in I072cf8bf6748d0c910fecffdf2282bcc4656d038, code should
use 4 spaces for indentation.
This commit enforces the use of 4 spaces indentation.
In order to simplify the review process, this patch only cover the
following elements:
- nagios3
- network-utils
- neutron-openvswitch
- nova-api
- nova-baremetal
- nova-compute
- nova-kvm
- openstack-client
- openstack-db
- openstack-ssl
Change-Id: I489746d384c0c2c5a4f2b12444606e3bf8e3ce11