feat(nbp): respect hide_input from jupyter-contrib
feat(nbp): respect hide_input from jupyter-contrib

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