Add -4 and -6 options to flashproxy-client.
Add -4 and -6 options to flashproxy-client.

These are passed down to registration helpers that support them.

arlolra/flashproxy,infinity0/flashproxy,arlolra/flashproxy,infinity0/flashproxy,infinity0/flashproxy,glamrock/flashproxy,arlolra/flashproxy,arlolra/flashproxy,infinity0/flashproxy,arlolra/flashproxy,glamrock/flashproxy,infinity0/flashproxy,glamrock/flashproxy,glamrock/flashproxy,infinity0/flashproxy,glamrock/flashproxy,arlolra/flashproxy,arlolra/flashproxy,glamrock/flashproxy