Fixed: wrong formula for relVeloc'.
Removed TTCs from RSTC.BAT.Base.match.

The `Base' relation which should care for the oscillating TTCs seems to
be hard to handle generally.
Since TTC depends on the two NTGs, it might be acceptable to just check
the NTGs, similar to defaultReward.

Updated Gnuplot generation for new SVG layout.

Updated documentation.