ENH: Added foamDict utility

Signed-off-by: Michael Wild <themiwi@users.sourceforge.net>
ENH: Added writeCellDist utility

Signed-off-by: Michael Wild <themiwi@users.sourceforge.net>
Merge branch 'patches/proposed/README'
Merge branch 'patches/proposed/foamDict'
Merge branch 'patches/proposed/writeCellDist'
Merge remote-tracking branch 'openfoam/master'