Update db_setup function to not log database password if user specifies password in the hostname and hostname is specified as an URI.
Update db_setup function to not log database password if user specifies
password in the hostname and hostname is specified as an URI.

Reported by Igor Cherkaev.

Resolves #3797

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