the time directories only exist in the processor sub-directories.

  - could do with a 'nice' way to treat parent folders - constant, system, time dirs etc

- still using the same version of the reader API (2.03)

- this seems to solve strange issues with genericPatchField symbols,
  but it still doesn't get the reader module working.

- added in the release information (the build string)

which need this functionality.  Solvers will now check the correctness of the BCs on
read.

- this was not agreed.

This reverts commit 41b196ff.

This reverts commit 54a8b6a1.

- this would be an argument for providing default values at the top-level
  compressible/incompressible turbulenceModel