Documentation: rename 'Sample Code:' to 'Example:'

src/basic/Point.js

@@ -37,7 +37,7 @@ var Point = this.Point = Base.extend({
 	 * of the Paper.js project. It is also used to represent two dimensional
 	 * vector objects.
 	 * 
-	 * Sample code:
+	 * Example:
 	 * <pre>
 	 * // Create a point at x: 10, y: 5
 	 * var point = new Point(10, 5);

src/basic/Size.js

@@ -35,7 +35,7 @@ var Size = this.Size = Base.extend({
 	 * @class The Size object is used to describe the size of something, through
 	 * its {@link #width} and {@link #height} properties.
 	 * 
-	 * Sample code:
+	 * Example:
 	 * <pre>
 	 * // Create a size that is 10pt wide and 5pt high
 	 * var size = new Size(10, 5);

src/color/Color.js

@@ -286,7 +286,7 @@ var Color = this.Color = Base.extend(new function() {
 	/**
 	 * Returns the type of the color as a string.
 	 * 
-	 * Sample code:
+	 * Example:
 	 * <code>
 	 * var color = new RGBColor(1, 0, 0);
 	 * console.log(color.type); // 'rgb'

src/item/PathStyle.js

@@ -54,7 +54,7 @@ var PathStyle = this.PathStyle = Base.extend(new function() {
 		 * {@link Item#style}. This is a convenient way to define a style once and
 		 * apply it to a series of items:
 		 * 
-		 * Sample Code:
+		 * Example:
 		 * <pre>
 		 * var circleStyle = {
 		 * 	fillColor: new RGBColor(1, 0, 0),

src/text/ParagraphStyle.js

@@ -34,7 +34,7 @@ var ParagraphStyle = this.ParagraphStyle = Base.extend({
 	 * {@link #justification} property. Yet, we have lots in store for Paper.js
 	 * when it comes to typography. Please stay tuned.
 	 * 
-	 * Sample code:
+	 * Example:
 	 * <pre>
 	 * var text = new PointText(new Point(0,0));
 	 * text.fillColor = 'black';