[TIMOB-26333] Generate source maps

[garymathews]

• Generate source maps during development builds or through opt-in tiapp.xml property <source-maps>true</source-maps>

TEST CASE

class Window {

	constructor () {
		this.view = Ti.UI.createWindow({ backgroundColor: 'gray' });
		this.button = Ti.UI.createButton({ title: 'CLICK' });

		this.view.add(this.button);
	}

	show () {
		this.view.open();
	}

}

new Window().show();

• Build an Android Titanium app with transpile enabled, debug using Chrome
  • appc run -p android --debug-host /127.0.0.1:51388

JIRA Ticket

[sgtcoolguy]

LGTM