chore(package): update @types/node to version 6.0.49
chore(package): update @types/node to version 6.0.49

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kononenko-a-m/angular2-mdl-ext,mseemann/angular2-mdl-ext,kononenko-a-m/angular2-mdl-ext,kononenko-a-m/angular2-mdl-ext,kononenko-a-m/angular2-mdl-ext,mseemann/angular2-mdl-ext,mseemann/angular2-mdl-ext,mseemann/angular2-mdl-ext