Add node 6.11.0, remove node 6.10.2
Add node 6.11.0, remove node 6.10.2

source url: https://nodejs.org/dist/v6.11.0/node-v6.11.0.tar.gz
source sha256: 821f518c9b25b7dc52c4d87fce4dbf6df3227aba92f0d008ec9d1f32e5f603d9

[#146731549]

cloudfoundry/nodejs-buildpack,pkumar-appd/nodejs-buildpack,cloudfoundry/nodejs-buildpack,oocl-ncc-itm/nodejs-buildpack,oocl-ncc-itm/nodejs-buildpack,pkumar-appd/nodejs-buildpack,ks2software/nodejs-buildpack,pkumar-appd/nodejs-buildpack,ks2software/nodejs-buildpack,ks2software/nodejs-buildpack,ks2software/nodejs-buildpack,ks2software/nodejs-buildpack,oocl-ncc-itm/nodejs-buildpack,cloudfoundry/nodejs-buildpack,cloudfoundry/nodejs-buildpack,ks2software/nodejs-buildpack,ks2software/nodejs-buildpack