chore(package): update helmet to version 1.3.0
chore(package): update helmet to version 1.3.0

http://greenkeeper.io/
jcarboneri/simple-tc-pi-blx-demo,vibhasinghal/personality-insights-nodejs,vibhasinghal/personality-insights-nodejs,aprilwebster/personality-insights-nodejs,watson-developer-cloud/personality-insights-nodejs,watson-developer-cloud/personality-insights-nodejs,jcarboneri/simple-tc-pi-blx-demo,aprilwebster/personality-insights-nodejs