- resolve in favour of "inline explicit", which had marginally more
  uses and provides consistent prefixing for inline methods.

- any code placed here should provide Allwmake and Allwclean scripts
  and normally have compilation targets into FOAM_APPBIN, FOAM_LIBBIN

  Since there is no standardize places for sources or applications,
  a simultaneous build of a module's doxygen documentation requires
  a minor bit of manual effort. Add (via symlink) the sources into
  the modules/doc/ directory to have them included in the normal
  OpenFOAM doxygen documentation generation.

  A makelink.example file is provided there as an example.

- unknown options or missing option values now emit a shorter message
  without the entire usage. This makes it easier to identify the errors
  and is better aligned with the behaviour of GNU system tools.

  ====
     $ simpleFoam -case
     Using: OpenFOAM-plus (see www.OpenFOAM.com)
     Build: plus-01234

     Error: option '-case' requires an argument

     See 'simpleFoam -help' for usage
  ====

- provide for reduced (-help) and full (-help-full) usage information.
  In many cases the reduced usage provided sufficient and easier
  to find the information.

- make -srcDoc an alias for -doc-source

- no warnings about option aliases for future dates.

- the -dir option was added in commit c1c6243c to allow quick
  testing of documentation for a set of classes.
  This was largely replicated in commit 843d83117, but accepting
  multiple directories.

  Apply some of the same ideas here and avoid creation of a tmp file.

- can run doxygen with an alternative Doxyfile, which is useful
  when verifying generated content for particular classes.
  Eg,
      PATH/doc/Allwmake -dir $PWD

- less clutter and typing to use the default template parameter when
  the key is 'word' anyhow.

- use EdgeMap instead of the longhand HashTable version where
  appropriate

'set -x' should be used for debugging.

Added command printing into wmake and Allwmake as a replacement for
'set -x' to log current target.

Resolves bug-report http://bugs.openfoam.org/view.php?id=2194

Patch contributed by Bruno Santos
Resolves bug-report http://bugs.openfoam.org/view.php?id=2193

Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=2053

Patch contributed by Bruno Santos

Patch contributed by Bruno Santos
Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=2032

Contributed by Bruno Santos
Resolves patch report http://www.openfoam.org/mantisbt/view.php?id=2023

Update online documentation http://openfoam.github.io/Documentation-dev/html/

Avoids the clutter and maintenance effort associated with providing the
function signature string.