v2.10.2

a3e89a6 package pwauth
6c9c7fe Support login in freebsd by system user/password

pre-built release binaries:
rttys-darwin-386.tar.gz
rttys-darwin-amd64.tar.gz
rttys-freebsd-386.tar.gz
rttys-freebsd-amd64.tar.gz
rttys-linux-386.tar.gz
rttys-linux-amd64.tar.gz
rttys-windows-386.zip
rttys-windows-amd64.zip