Add changelog entry for Orchestra
Add changelog entry for Orchestra

Add changelog entry for Orchestra and let user knows the feature is in beta.

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