fix(protractor) use package.json instead of npm for port
fix(protractor) use package.json instead of npm for port

Since process process.env.npm_package_config_port can't be used in gulp
(due to the fact it's launch via npm run).
Using the same algo for protractor: direclty from package.json.

topheman/vanilla-es6-jspm,felquis/vanilla-es6-jspm,felquis/vanilla-es6-jspm,topheman/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,felquis/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,topheman/vanilla-es6-jspm