Introducing RBridgeSplitter
Added few comments.
Changed few .neds to match proper gate naming scheme
(upperLayer[In/Out], lowerLayer[In/Out]).
Merge branch 'master' of https://github.com/kvetak/ANSA.git
Cleaning up a bit
IS-IS related ...
Updated headers
Configuration moved to deviceConfigurator and improved for TRILL
zero-configuration.

TRILL related ...
Introducing RBridge model (TRILL core doesn't work yet)