fix(transpile): get tsconfig.json location from config value
fix(transpile): get tsconfig.json location from config value

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