models derived from Smagorinsky.

fvMotionSolver/pointPatchFields

Removed blank lines between template specification and function definition.

- added asText() method to assist people with remembering what the
  dimensions are in English

- minor short-circuit optimizations in dimensionless() and operator==

- in preparation for adding an optional '-reconstruct' to a few utilities
  re-use as -lreconstruct library

- move related stuff there too
      src/decompositionMethods/decompositionMethods
      -> src/parallel/decompositionMethods

- added missing namespace qualifiers

This reverts commit a2135375.