Update license information after change of maintainer.
Update license information after change of maintainer.

The license itself is still BSD and I have no plans to switch to
MIT for now.

nrk/phpiredis,jymsy/phpiredis,nrk/phpiredis,RustJason/phpiredis,Danack/phpiredis,jymsy/phpiredis,nrk/phpiredis,Danack/phpiredis,Danack/phpiredis,RustJason/phpiredis,RustJason/phpiredis