Using npm@3 to (hopefully) resolve build errors in Travis
Using npm@3 to (hopefully) resolve build errors in Travis

Also updating mongodb to 3.2

sendyhalim/keystone,joerter/keystone,jacargentina/keystone,andrewlinfoot/keystone,trentmillar/keystone,qwales1/keystone,Yaska/keystone,linhanyang/keystone,alobodig/keystone,rafmsou/keystone,benkroeger/keystone,Pop-Code/keystone,ratecity/keystone,trentmillar/keystone,sendyhalim/keystone,brianjd/keystone,ONode/keystone,cermati/keystone,pr1ntr/keystone,snowkeeper/keystone,cermati/keystone,wmertens/keystone,benkroeger/keystone,Yaska/keystone,w01fgang/keystone,tony2cssc/keystone,xyzteam2016/keystone,dryna/keystone-twoje-urodziny,naustudio/keystone,matthieugayon/keystone,Adam14Four/keystone,xyzteam2016/keystone,alobodig/keystone,tony2cssc/keystone,concoursbyappointment/keystoneRedux,danielmahon/keystone,pswoodworth/keystone,matthewstyers/keystone,pswoodworth/keystone,qwales1/keystone,wmertens/keystone,rafmsou/keystone,michaelerobertsjr/keystone,concoursbyappointment/keystoneRedux,naustudio/keystone,everisARQ/keystone,frontyard/keystone,dvdcastro/keystone,dryna/keystone-twoje-urodziny,suryagh/keystone,webteckie/keystone,frontyard/keystone,Pop-Code/keystone,suryagh/keystone,ratecity/keystone,w01fgang/keystone,vokal/keystone,matthieugayon/keystone,webteckie/keystone,naustudio/keystone,jacargentina/keystone,matthewstyers/keystone,vokal/keystone,andrewlinfoot/keystone,danielmahon/keystone,trentmillar/keystone,snowkeeper/keystone,jstockwin/keystone,danielmahon/keystone,vokal/keystone,andrewlinfoot/keystone,benkroeger/keystone,Adam14Four/keystone,everisARQ/keystone,ONode/keystone,Yaska/keystone,matthewstyers/keystone,michaelerobertsjr/keystone,frontyard/keystone,brianjd/keystone,jstockwin/keystone,dvdcastro/keystone,joerter/keystone,pr1ntr/keystone