Add RECLONE support for ovs
Add RECLONE support for ovs

When user sets "RECLONE=True" in local.conf, all components need
to be cloned. This flag is not handled in the ovs script, and when
the repo exists - it won't be refreshed.

Change-Id: I2831f77271880c5964627673cbc0a62c211a045a

mahak/neutron,sebrandon1/neutron,igor-toga/local-snat,cloudbase/neutron,cloudbase/neutron,eayunstack/neutron,noironetworks/neutron,bigswitch/neutron,bigswitch/neutron,eayunstack/neutron,mahak/neutron,mahak/neutron,sebrandon1/neutron,igor-toga/local-snat,huntxu/neutron,noironetworks/neutron,openstack/neutron,openstack/neutron,huntxu/neutron,openstack/neutron