chore(package): update electron to version 1.6.1
chore(package): update electron to version 1.6.1

https://greenkeeper.io/

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