Fix indent.
Clean-up some of the symbol processing.

Fix scaling of radius and also fix mistake of kind out as a code and as
a text translation.
Simplify code by using defaultdict.
Fix scaling for linked vectors.
Fix reading SCIT data.

First problem was that were were not assembling lists of markers. The
second problem was that vectors were incorrectly being read. Vectors are
shorts, not bytes, so we were way off.