Add node 6.11.3, remove node 6.11.1
Add node 6.11.3, remove node 6.11.1

source url: https://nodejs.org/dist/v6.11.3/node-v6.11.3.tar.gz
source sha256: c60562a7bc316f137297b7aa23ae354e3ac6779fe8ddf46fe43a75b6b92443e8

[#150824934]

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