Add BSD COPYING file.
Add BSD COPYING file.

tuukkamustonen/voluptuous,natlownes/voluptuous,tuukkamustonen/voluptuous,divanovGH/voluptuous,artburkart/voluptuous,jmwri/voluptuous,SimplyKnownAsG/voluptuous,alecthomas/voluptuous,SimplyKnownAsG/voluptuous,alecthomas/voluptuous