Update required node version in package.json
Update required node version in package.json

grebett/polymer-starter-kit,felixzapata/polymer-starter-kit,gertcuykens/polymer-starter-kit,lordoftheflies/mlm-portal,Serious-Rage/poligomy,Ex-ante-Labs/pivot-ahead,grebett/polymer-starter-kit,semafloor/semafloor-test-alpha,FaellCarvalho/Geo-Location,abdonrd/polymer-starter-kit,Ex-ante-Labs/shopper.ninja,felixzapata/polymer-starter-kit,flaiker/polymer-starter-kit,StartPolymer/polymer-starter-kit-plus,alexpaluzzi/polymer-starter-kit,lordoftheflies/mlm-portal,plusCubed/pluscubed-site,alexpaluzzi/polymer-starter-kit,gick/mobile-polymer-starter-2,grebett/polymer-starter-kit,gertcuykens/polymer-starter-kit,anthonybrown/polymer-starter-kit,mtusk/polymer-starter-kit,anthonybrown/polymer-starter-kit,FaellCarvalho/Geo-Location,semafloor/semafloor-test-alpha,klarkc/polymer-loopback-starter-kit,alexpaluzzi/polymer-starter-kit,semafloor/semafloor-test-alpha,abdonrd/polymer-starter-kit,Ex-ante-Labs/pivot-ahead,plusCubed/pluscubed-site,lordoftheflies/mlm-portal,klarkc/polymer-loopback-starter-kit,gick/reveries-project,flaiker/polymer-starter-kit,markovuksanovic/polymer-starter-kit,felixzapata/polymer-starter-kit,StartPolymer/polymer-starter-kit,Serious-Rage/poligomy,gertcuykens/polymer-starter-kit,stefanoantonel/brainpower,Serious-Rage/poligomy,markovuksanovic/polymer-starter-kit,gick/reveries-project,FaellCarvalho/Geo-Location,StartPolymer/polymer-starter-kit,markovuksanovic/polymer-starter-kit,stefanoantonel/brainpower,Ex-ante-Labs/shopper.ninja,gick/reveries-project,mtusk/polymer-starter-kit,klarkc/polymer-loopback-starter-kit,gick/mobile-polymer-starter-2,gick/mobile-polymer-starter-2,StartPolymer/polymer-starter-kit-plus