- bump VERSION

Update master to match develop

add openfoam-selector

See merge request !4

openfoam-selector

See merge request !3

- this enables later direct command-line usage

- disable option bundling for selector and selector-menu so that the
  long options work with a single dash.

- the registered OpenFOAM versions are to have functioning
  etc/bashrc, etc/cshrc files

Freely redistributable and modifiable under the following conditions:

- Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.

- Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer listed
  in this license in the documentation and/or other materials
  provided with the distribution.

- Neither the name of the copyright holders nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

- foamConfigurePaths (1812) now supports a -gcc option.
  Eg,
      foamConfigurePaths -gcc gcc-4.8.5

  This avoids fragile complier versioning that was previously
  hardcoded into the legacyCompile script.

Update master to match develop

See merge request !2

- suggest build with llvm, since this allows possible reuse with mesa

- original source from Ivan Spisso (CINECA) modified by OpenCFD

- This may occur with some frequency.

- Add some comments and reduce the number of variable at the top.