Add PointText documentation.

src/text/PointText.js

@@ -15,8 +15,30 @@
  */
 
 var PointText = this.PointText = TextItem.extend({
+	/** @lends PointText# */
+
 	beans: true,
 
+	/**
+	 * Creates a point text item
+	 * 
+	 * @example
+	 * var text = new PointText(new Point(50, 100));
+	 * text.paragraphStyle.justification = 'center';
+	 * text.content = 'The contents of the point text';
+	 * text.fillColor = 'black';
+	 * 
+	 * @param {Point} point the position where the text will start
+	 * 
+	 * @constructs PointText
+	 *
+	 * @class A PointText item represents a piece of typography in your Paper.js
+	 * project which starts from a certain point and extends by the amount of
+	 * characters contained in it.
+	 * 
+	 * @extends TextItem
+	 * @extends Item
+	 */
 	initialize: function(point) {
 		this.base();
 		var point = Point.read(arguments);
@@ -33,6 +55,12 @@ var PointText = this.PointText = TextItem.extend({
 		return copy;
 	},
 
+	/**
+	 * The PointText's anchor point
+	 * 
+	 * @type Point
+	 * @bean
+	 */
 	getPoint: function() {
 		return this._point;
 	},