move away from nodejs v4.3 and start using nodejs v6.10
move away from nodejs v4.3 and start using nodejs v6.10

MitocGroup/deep-microservices-root-angular,MitocGroup/deep-microservices-root-angular,MitocGroup/deep-microservices-root-angular,MitocGroup/deep-microservices-root-angular2,MitocGroup/deep-microservices-root-angular2,MitocGroup/deep-microservices-root-angular,MitocGroup/deep-microservices-root-angular2,MitocGroup/deep-microservices-root-angular2