chore(package): update mongoose to version 4.4.8
chore(package): update mongoose to version 4.4.8

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