Revert last two commits - Keyboard shortcuts are not working

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diff --git a/src/js/shape/mxEllipse.js b/src/js/shape/mxEllipse.js
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+/**
+ * $Id: mxEllipse.js,v 1.20 2012-04-04 07:34:50 gaudenz Exp $
+ * Copyright (c) 2006-2010, JGraph Ltd
+ */
+/**
+ * Class: mxEllipse
+ *
+ * Extends <mxShape> to implement an ellipse shape.
+ * This shape is registered under <mxConstants.SHAPE_ELLIPSE>
+ * in <mxCellRenderer>.
+ * 
+ * Constructor: mxEllipse
+ *
+ * Constructs a new ellipse shape.
+ * 
+ * Parameters:
+ * 
+ * bounds - <mxRectangle> that defines the bounds. This is stored in
+ * <mxShape.bounds>.
+ * fill - String that defines the fill color. This is stored in <fill>.
+ * stroke - String that defines the stroke color. This is stored in <stroke>.
+ * strokewidth - Optional integer that defines the stroke width. Default is
+ * 1. This is stored in <strokewidth>.
+ */
+function mxEllipse(bounds, fill, stroke, strokewidth)
+{
+	this.bounds = bounds;
+	this.fill = fill;
+	this.stroke = stroke;
+	this.strokewidth = (strokewidth != null) ? strokewidth : 1;
+};
+
+/**
+ * Extends mxShape.
+ */
+mxEllipse.prototype = new mxShape();
+mxEllipse.prototype.constructor = mxEllipse;
+
+/**
+ * Variable: mixedModeHtml
+ *
+ * Overrides the parent value with false, meaning it will
+ * draw in VML in mixed Html mode.
+ */
+mxEllipse.prototype.mixedModeHtml = false;
+
+/**
+ * Variable: preferModeHtml
+ *
+ * Overrides the parent value with false, meaning it will
+ * draw as VML in prefer Html mode.
+ */
+mxEllipse.prototype.preferModeHtml = false;
+
+/**
+ * Function: createVml
+ *
+ * Creates and returns the VML node to represent this shape.
+ */
+mxEllipse.prototype.createVml = function()
+{
+	// Uses an arc not an oval to make sure the
+	// textbox fills out the outer bounds of the
+	// circle, not just the inner rectangle
+	var node = document.createElement('v:arc');
+	node.startangle = '0';
+	node.endangle = '360';
+	this.configureVmlShape(node);
+
+	return node;
+};
+
+/**
+ * Function: createSvg
+ *
+ * Creates and returns the SVG node(s) to represent this shape.
+ */
+mxEllipse.prototype.createSvg = function()
+{
+	return this.createSvgGroup('ellipse');
+};
+
+/**
+ * Function: redrawSvg
+ *
+ * Updates the SVG node(s) to reflect the latest bounds and scale.
+ */
+mxEllipse.prototype.redrawSvg = function()
+{
+	if (this.crisp)
+	{
+		this.innerNode.setAttribute('shape-rendering', 'crispEdges');
+	}
+	else
+	{
+		this.innerNode.removeAttribute('shape-rendering');
+	}
+	
+	this.updateSvgNode(this.innerNode);
+	this.updateSvgNode(this.shadowNode);
+};
+
+/**
+ * Function: updateSvgNode
+ *
+ * Updates the given node to reflect the new <bounds> and <scale>.
+ */
+mxEllipse.prototype.updateSvgNode = function(node)
+{
+	if (node != null)
+	{
+		var strokeWidth = Math.round(Math.max(1, this.strokewidth * this.scale));
+		node.setAttribute('stroke-width', strokeWidth);
+		
+		node.setAttribute('cx', this.bounds.x + this.bounds.width / 2);
+		node.setAttribute('cy', this.bounds.y + this.bounds.height / 2);
+		node.setAttribute('rx', this.bounds.width / 2);
+		node.setAttribute('ry', this.bounds.height / 2);
+		
+		// Updates the shadow offset
+		if (this.shadowNode != null)
+		{
+			this.shadowNode.setAttribute('transform',  this.getSvgShadowTransform());
+		}
+
+		if (this.isDashed)
+		{
+			var phase = Math.max(1, Math.round(3 * this.scale * this.strokewidth));
+			node.setAttribute('stroke-dasharray', phase + ' ' + phase);
+		}
+	}
+};