refactor(fat.js): clean up jsHint warnings, and minor code reformatting
refactor(fat.js): clean up jsHint warnings, and minor code reformatting

areverberi/angular-google-chart,nbering/angular-google-chart,angular-google-chart/angular-google-chart,areverberi/angular-google-chart,angular-google-chart/angular-google-chart,nbering/angular-google-chart