Add return so we don't write "Logged in as x" on failed log in attempt.
Add return so we don't write "Logged in as x" on failed log in attempt.

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