- restricts selection to Make/$WM_OPTIONS* subdirectories, which is
  useful when multiple compilers are in use

This reverts commit b8c2cbaa.

This reverts commit ca0799cb.

- make warning optional and reuse in cellDistFuncs::getPatchIDs

Also corrected many formatting errors in the comments in C and H files

STYLE: integrateLimits() -> integrate() for consistency with
  DataEntry/polynomial.  Rename old 'integrate', 'integrateMinus1'
  methods to 'integral', 'integralMinus1' (ie, substantive instead of
  verb for clarity).