Updated command-line integration
Updated command-line integration

Command-line integration was still referring to dnu and dnx instead of the new dotnet-cli
OmniSharp/OmniSharp.github.io,peterblazejewicz/OmniSharp.github.io,peterblazejewicz/OmniSharp.github.io,OmniSharp/OmniSharp.github.io