diff -r 2e8c92eb0dfa -r b51c25ef4292 client/js/renderer/scene.js
--- a/client/js/renderer/scene.js	Wed Mar 04 09:39:11 2015 +0100
+++ b/client/js/renderer/scene.js	Fri Mar 13 10:56:19 2015 +0100
@@ -29,7 +29,7 @@
         this.buttons_layer = new paper.Layer();
         this.delete_list = [];
         this.redrawActive = true;
-        
+
         var currentWidth = this.canvas_$.width();
         var currentHeight = this.canvas_$.height();
 
@@ -279,34 +279,34 @@
         bindClick(".Rk-Fold-Bins", "foldBins");
 
         paper.view.onResize = function(_event) {
-        	var _ratio,
-        		newWidth= _this.canvas_$.parent().width(),
-				newHeight = _this.canvas_$.parent().height();
-        	
+            var _ratio,
+                newWidth= _this.canvas_$.parent().width(),
+                newHeight = _this.canvas_$.parent().height();
             // Because of paper bug which does not calculate the good height and width
-            // We have to update manually the canvas's height and width        	
+            // We have to update manually the canvas's height and width
+
             paper.view._viewSize.height =  _event.size.height = _this.canvas_$.parent().height();
             paper.view._viewSize.width =  _event.size.height = _this.canvas_$.parent().width();
-            
+
             if (_this.minimap) {
                 _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size);
                 _this.minimap.rectangle.fitBounds(_this.minimap.topleft.subtract([2,2]), _this.minimap.size.add([4,4]));
                 _this.minimap.cliprectangle.fitBounds(_this.minimap.topleft, _this.minimap.size);
             }
-            
+
             if (newHeight < newWidth) {
-            		_ratio = (newHeight/currentHeight);
+                    _ratio = (newHeight/currentHeight);
             } else {
-            	_ratio = (newWidth/currentWidth);
+                _ratio = (newWidth/currentWidth);
             }
-            
-        	_this.resizeZoom((newWidth/currentWidth), (newHeight/currentHeight), _ratio);
-        	
-        	currentWidth = newWidth;
-        	currentHeight = newHeight;
-        	
-        	_this.redraw();
-            
+
+            _this.resizeZoom((newWidth/currentWidth), (newHeight/currentHeight), _ratio);
+
+            currentWidth = newWidth;
+            currentHeight = newHeight;
+
+            _this.redraw();
+
         };
 
         var _thRedraw = _.throttle(function() {
@@ -331,34 +331,34 @@
 
         // register model events
         this.renkan.project.on("change:save_status", function(){
-        	switch (_this.renkan.project.get("save_status")) {
-	            case 0: //clean
-	            	_this.$.find(".Rk-Save-Button").removeClass("to-save");
-	            	_this.$.find(".Rk-Save-Button").removeClass("saving");
-	        		_this.$.find(".Rk-Save-Button").addClass("saved");
-	                break;
-	            case 1: //dirty
-	            	_this.$.find(".Rk-Save-Button").removeClass("saved");
-	            	_this.$.find(".Rk-Save-Button").removeClass("saving");
-	        		_this.$.find(".Rk-Save-Button").addClass("to-save");
-	                break;
-	            case 2: //saving
-	            	_this.$.find(".Rk-Save-Button").removeClass("saved");
-	            	_this.$.find(".Rk-Save-Button").removeClass("to-save");
-	        		_this.$.find(".Rk-Save-Button").addClass("saving");
-	                break;
-        	}
+            switch (_this.renkan.project.get("save_status")) {
+                case 0: //clean
+                    _this.$.find(".Rk-Save-Button").removeClass("to-save");
+                    _this.$.find(".Rk-Save-Button").removeClass("saving");
+                    _this.$.find(".Rk-Save-Button").addClass("saved");
+                    break;
+                case 1: //dirty
+                    _this.$.find(".Rk-Save-Button").removeClass("saved");
+                    _this.$.find(".Rk-Save-Button").removeClass("saving");
+                    _this.$.find(".Rk-Save-Button").addClass("to-save");
+                    break;
+                case 2: //saving
+                    _this.$.find(".Rk-Save-Button").removeClass("saved");
+                    _this.$.find(".Rk-Save-Button").removeClass("to-save");
+                    _this.$.find(".Rk-Save-Button").addClass("saving");
+                    break;
+            }
         });
-        
+
         this.renkan.project.on("change:loading_status", function(){
-        	if (_this.renkan.project.get("loading_status")){
-        		var animate = _this.$.find(".loader").addClass("run");  
-        		var timer = setTimeout(function(){
-        			_this.$.find(".loader").hide(250);
-        		}, 3000); 
-        	}
+            if (_this.renkan.project.get("loading_status")){
+                var animate = _this.$.find(".loader").addClass("run");
+                var timer = setTimeout(function(){
+                    _this.$.find(".loader").hide(250);
+                }, 3000);
+            }
         });
-        
+
         this.renkan.project.on("add:users remove:users", _thRedrawUsers);
 
         this.renkan.project.on("add:views remove:views", function(_node) {
@@ -373,13 +373,13 @@
         this.renkan.project.on("add:nodes", function(_node) {
             _this.addRepresentation("Node", _node);
             if (!_this.renkan.project.get("loading_status")){
-            	_thRedraw();
+                _thRedraw();
             }
         });
         this.renkan.project.on("add:edges", function(_edge) {
             _this.addRepresentation("Edge", _edge);
             if (!_this.renkan.project.get("loading_status")){
-            	_thRedraw();
+                _thRedraw();
             }
         });
         this.renkan.project.on("change:title", function(_model, _title) {
@@ -1196,21 +1196,21 @@
                 }
                 var widthAft = this.$.width();
                 var heightAft = this.$.height();
-                
+
                 if (this.renkan.options.show_top_bar) {
-                	heightAft -= this.$.find(".Rk-TopBar").height();
+                    heightAft -= this.$.find(".Rk-TopBar").height();
                 }
                 if (this.renkan.options.show_bins && (this.renkan.$.find(".Rk-Bins").position().left > 0)) {
-                	widthAft -= this.renkan.$.find(".Rk-Bins").width();
+                    widthAft -= this.renkan.$.find(".Rk-Bins").width();
                 }
-                
+
                 this.canvas_$.attr({
-                	width: widthAft,
-                	height: heightAft
+                    width: widthAft,
+                    height: heightAft
                 });
-                
+
                 paper.view.viewSize = new paper.Size([this.canvas_$.width(), this.canvas_$.height()]);
-                
+
             } else {
                 for (i = 0; i < _requestMethods.length; i++) {
                     if (typeof _el[_requestMethods[i]] === "function") {
@@ -1237,8 +1237,8 @@
             this.setScale( _newScale, _offset );
         },
         resizeZoom: function(_scaleWidth, _scaleHeight, _ratio) {
-        	var _newScale = this.scale * _ratio,
-            	_offset = new paper.Point([
+            var _newScale = this.scale * _ratio,
+                _offset = new paper.Point([
                                        (this.offset.x * _scaleWidth),
                                        (this.offset.y * _scaleHeight)
                                        ]);
@@ -1306,8 +1306,8 @@
             var foldBinsButton = this.$.find(".Rk-Fold-Bins"),
                 bins = this.renkan.$.find(".Rk-Bins");
             var _this = this,
-            	sizeBef = _this.canvas_$.width(),
-            	sizeAft;
+                sizeBef = _this.canvas_$.width(),
+                sizeAft;
             if (bins.position().left < 0) {
                 bins.animate({left: 0},250);
                 this.$.animate({left: 300},250,function() {
@@ -1315,9 +1315,9 @@
                     paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
                 });
                 if ((sizeBef -  bins.width()) < bins.height()){
-                	sizeAft = sizeBef;
+                    sizeAft = sizeBef;
                 } else {
-                	sizeAft = sizeBef - bins.width();
+                    sizeAft = sizeBef - bins.width();
                 }
                 foldBinsButton.html("&laquo;");
             } else {