Importing in the Titan context apparently seems to mean symlinking the
source files into the current project. I haven't found a concept of
linking against libraries yet.
the idea is to evolve this into something that can match on the GSMTAP
that's generated by OsmoBTS in order to validate the SI generation /
broadcasting of OsmoBTS+OsmoBSC
A SCCP CC can optionally contain userData. The code so far simply
dropped any such data, and didn't pass it along in the N-CONNCET.cfm
primitive. Let's fix that.