Update bgpcep features repository names and removing plugin2oc.
Bgpcep project has changed its feature layout.
Instead single feature repository, there are three of them now:
features-bgp, features-extras and features-pcep.
Among major changes, odl-bgpcep-all feature is no more.
This changes feature tests to use odl-bgpcep-bgp-all
and odl-bgpcep-pcep-all features instead.
Also: feature.bgp.version was renamed to feature.bgpcep.version
Change-Id: I48d53b544a8240e7206c163dc892e517da4ad9ba
Signed-off-by: Vratko Polak <vrpolak@cisco.com>