set the Linkd log prefix correctly
Preparing Log prefix for Linkd
Fix for TT2295: removed bridge port phys address

This is not anymore needed because the bridge
is not identified by the mac address of the
device ports.
Fixed broken test do to changes in Linkd

Now the links with the layer3 are displayed
too in bridges
Providing a session-scope access to the OSGI-container and also providing a session-scoped EventRegistry.
Renamed some classes and fixed some 'VerticesUpdate'-problems
Merge remote-tracking branch 'origin/pull-requests'