add changelog entry adding the support of ssh_connect_timout
add changelog entry adding the support of ssh_connect_timout

nzlosh/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2