- Further convert tabs -> 2 spaces in JS code comments (except in test performance

file where used for alignment though use tab escape within JS), CSS
    (including comments), PHP, SVG, JSON, XUL
- Remove extra spaces in svgcanvas.js, ext-connector.js

editor/touch.js

@@ -15,8 +15,8 @@ function touchHandler (event) {
   }
 
   // initMouseEvent(type, canBubble, cancelable, view, clickCount,
-  //	screenX, screenY, clientX, clientY, ctrlKey,
-  //	altKey, shiftKey, metaKey, button, relatedTarget);
+  //  screenX, screenY, clientX, clientY, ctrlKey,
+  //  altKey, shiftKey, metaKey, button, relatedTarget);
 
   simulatedEvent = document.createEvent('MouseEvent');
   simulatedEvent.initMouseEvent(type, true, true, window, 1,