Should fix issue with dock potentially being null, when trying to add new windows to it.
Should fix issue with dock potentially being null, when trying to add new windows to it.

OmniSharp/omnisharp-atom,rambocoder/omnisharp-atom,rambocoder/omnisharp-atom,RichiCoder1/omnisharp-atom,OmniSharp/omnisharp-atom,OmniSharp/omnisharp-atom,RichiCoder1/omnisharp-atom,RichiCoder1/omnisharp-atom,rambocoder/omnisharp-atom,RichiCoder1/omnisharp-atom