- 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.

http://www.cfd-online.com/Forums/openfoam-bugs/70259-vtkfoam-c-calls-call-non-existing-volpointinterpolate-ct
or.html

with the boundary motion before the fluxes are corrected for continuity by
pcorr.

Francesco Del Citto.