refactor(webpack): only force transpilation to es5 for prod builds (required for uglify)
refactor(webpack): only force transpilation to es5 for prod builds (required for uglify)

only force transpilation to es5 for prod builds (required for uglify)

rolandjitsu/ionic-app-scripts,michaelgeorgeattard/ionic-app-scripts,driftyco/ionic-app-scripts,driftyco/ionic-app-scripts,rolandjitsu/ionic-app-scripts,driftyco/ionic-app-scripts,rolandjitsu/ionic-app-scripts,michaelgeorgeattard/ionic-app-scripts,michaelgeorgeattard/ionic-app-scripts