Lookup the nsa provider url through the interface types
Added some logging to reachability pce
make sure direct peers, which do not appear in reachability info, take precedence when finding the cheapest peer to forward to
geant moved their NSA doc again
Use bi-directional SDP's only
Clunky way for now to avoid vlan clashes
Cleaned up text mistakenly placed in file.
Merge branch 'master' into Topology-Summarization

Conflicts:
	config/dds.xml