Detail the spec for kernel creation, and add socketio to the implimentation list.
Detail the spec for kernel creation, and add socketio to the implimentation list.

jdfreder/nteract,rgbkrk/nteract,nteract/composition,rgbkrk/nteract,jdfreder/nteract,captainsafia/nteract,nteract/nteract,nteract/nteract,jdetle/nteract,nteract/nteract,jdfreder/nteract,jdetle/nteract,nteract/nteract,captainsafia/nteract,nteract/composition,rgbkrk/nteract,nteract/nteract,jdetle/nteract,captainsafia/nteract,rgbkrk/nteract,jdetle/nteract,jdfreder/nteract,captainsafia/nteract,rgbkrk/nteract,nteract/composition