Prepare 0.15.3 release
Prepare 0.15.3 release

joerter/omnisharp-atom,hitesh97/omnisharp-atom,RichiCoder1/omnisharp-atom,tmunro/omnisharp-atom,hitesh97/omnisharp-atom,RichiCoder1/omnisharp-atom,tmunro/omnisharp-atom,tmunro/omnisharp-atom,OmniSharp/omnisharp-atom,joerter/omnisharp-atom,rambocoder/omnisharp-atom,OmniSharp/omnisharp-atom,rambocoder/omnisharp-atom,hitesh97/omnisharp-atom,hitesh97/omnisharp-atom,rambocoder/omnisharp-atom,RichiCoder1/omnisharp-atom,tmunro/omnisharp-atom,joerter/omnisharp-atom,OmniSharp/omnisharp-atom,joerter/omnisharp-atom,RichiCoder1/omnisharp-atom