Added testing configuration for karma/protractor: karma.conf, Gulp related: gulp-minify-css, gulp-rename ; a new task 'minify-css' for a starter to fiddle with. New dev dependencies: karma, karma-coverage, karma-chrome-launcher, jasmine-core, karma-jasmine, protractor, gulp-minify-css and gulp-rename, also new scripts sections: test, test-single-run, update-webdriver, preprotractor, protractor.