Update various dependencies to latest stable versions.
Update various dependencies to latest stable versions.

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