Replace tabs indentation with spaces indentation

Some files are obviously external libraries, I didn't touch them

settings.json.template

@@ -145,5 +145,6 @@
             }
           }
         }*/
-	] }
+      ]
+    }
 }

src/static/js/Changeset.js

@@ -675,7 +675,7 @@ exports.textLinesMutator = function (lines) {
 /*if (inSplice && (! isCurLineInSplice()) && (curSplice[0] + curSplice[1] < lines.length)) {
   print("BLAH");
   putCurLineInSplice();
-	}*/
+}*/
       // tests case foo in remove(), which isn't otherwise covered in current impl
     }
     //debugPrint("skip");

src/static/js/ace2_inner.js

@@ -4187,7 +4187,7 @@ function Ace2Inner(){
     selection.startPoint.index+" / "+
     selection.endPoint.node.uniqueId()+","+
     selection.endPoint.index);
-	}*/
+}*/
       }
       return selection;
     }

src/static/js/html10n.js

@@ -99,17 +99,17 @@ window.html10n = (function(window, document, undefined) {
 
   var MicroEvent = function(){}
   MicroEvent.prototype = {
-    bind	: function(event, fct){
+    bind: function(event, fct){
       this._events = this._events || {};
       this._events[event] = this._events[event] || [];
       this._events[event].push(fct);
     },
-    unbind	: function(event, fct){
+    unbind: function(event, fct){
       this._events = this._events || {};
       if( event in this._events === false  ) return;
       this._events[event].splice(this._events[event].indexOf(fct), 1);
     },
-    trigger	: function(event /* , args... */){
+    trigger: function(event /* , args... */){
       this._events = this._events || {};
       if( event in this._events === false  ) return;
       for(var i = 0; i < this._events[event].length; i++){

tests/frontend/lib/sendkeys.js

@@ -391,7 +391,7 @@ $.fn.sendkeys = function (x, opts){
       }).bind('keyup.sendkeys', function(evt){
         // restore the selection if we got here with a tab (a click should select what was clicked on)
         if (evt.which == 9){
-					// there's a flash of selection when we restore the focus, but I don't know how to avoid that.
+          // there's a flash of selection when we restore the focus, but I don't know how to avoid that
           $.data(this, 'sendkeys.selection').select();
         }else{
           $.data(this, 'sendkeys.selection').bounds('selection');