gobgp: restore --transport option for neighbor command
gobgp: restore --transport option for neighbor command

gobgp neighbor -t [ipv4|ipv6]

Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

a16/gobgp,YujiOshima/gobgp,Dipsingh/gobgp,osrg/gobgp,tamihiro/gobgp,h-naoto/gobgp,h-naoto/gobgp,Dipsingh/gobgp,ramrunner/gobgp,a16/gobgp,a16/gobgp,a16/gobgp,ishidawataru/gobgp,ramrunner/gobgp,a16/gobgp,fujita/gobgp,ishidawataru/gobgp,a16/gobgp,fujita/gobgp,tamihiro/gobgp,j-kato/gobgp,YujiOshima/gobgp,h-naoto/gobgp,a16/gobgp,ishidawataru/gobgp,ramrunner/gobgp,fujita/gobgp,YujiOshima/gobgp,osrg/gobgp,fujita/gobgp,osrg/gobgp,tamihiro/gobgp,Dipsingh/gobgp,osrg/gobgp,j-kato/gobgp,tamihiro/gobgp,j-kato/gobgp