[library] nova-network OCF script does not interpolate $regex variable

[Igor Zinovik]

nova-network OCF script (deployment/puppet/vmware/files/ocf/nova-network) errornously uses single quotes for
variable substitution:
nova_network_cleanup()
{
...
    network_manager=$(egrep -e '^network_manager' $OCF_RESKEY_config | sed -e 's/$regexp/\1/' | tail -n 1)
...
}

Double quotes must be used for variable interpolation.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/110004

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/110004
Committed: https://git.openstack.org/cgit/stackforge/fuel-library/commit/?id=3c19e66c2fe3dece2960bb94f7754b9e5b22c009
Submitter: Jenkins
Branch: master

commit 3c19e66c2fe3dece2960bb94f7754b9e5b22c009
Author: Igor Zinovik <email address hidden>
Date: Mon Jul 28 18:00:26 2014 +0400

    fix variables interpolation in nova_network_cleanup()

    - double quotes must be used for variable interpolation

    Change-Id: Ic0227305cd509310ef51db21a497d2b17cf3fd2b
    Closes-bug: #1349430