TC: Include column to track original value of INBEAM to avoid FTS- & POL-2 ...

... from processing.
ED: Save INBEAM value in another column before possibly destroying it.

This is to skip (FTS|POL)-2 runs from job processing.

- Return multiple values of a header based on call contex. This is not ideal but
  _find_header() was going to ever more optional arguments.

- While there, test value of anoter header before returning value (or status) of
  the primary header.
js: Skip reduction where INBEAM had fts-2 or pol-2.
js: Style change to conform to exisiting one.