bufferutil@1.2.1 install /home/sudthenerd/polymer-starter-kit-1.2.1/node_modules/bufferutil > node-gyp rebuild gyp ERR! configure error gyp ERR! stack E
I solved a similar error by upgrading the node-sass package to a version that is compatible with my installed Node version.
node-sass
node-sass publishes a compatibility table that I found on their NPM page.