upgrade node version to 6.11.1
upgrade node version to 6.11.1

(cherry picked from commit 9cd474062d1ff23737662fbc955db79051e7db83)

Stanford-Online/configuration,appsembler/configuration,Stanford-Online/configuration,appsembler/configuration,Stanford-Online/configuration,appsembler/configuration,Stanford-Online/configuration,appsembler/configuration,Stanford-Online/configuration