- adds more DWIM (do what I mean) intelligence to wmake
ENH: use ~/.OpenFOAM/.wmake instead of ~/.wmakeScheduler for the lock dir
- keeps more of the OpenFOAM bits together
- send error messages to stderr
- added -h/-help options where some were missing
- changed 3-space to 4-space indentation
- where possible, allow multiple directories from the command-line
- match comments to names of scripts
- remove comments about using C-shell (not true anymore)
- use 'assert' style syntax in places instead of if/then/fi
- wcleanMachine supports multiple arguments