Add missing init and frees to SkinConfig methods
Change remaining references to WFPOL, wfpolarize

The remaining references to ST2 and wfsubtrack2 have been changed to
WFPOL and wfpolarize to reflect the rebranding.
Replace a missing duration alias
Missed a few macros
Output a parameter file from dbpolarize

Doesn't seem to hand a dbmaster pointer over to the import task properly
however.