Merge pull request #1914 from TomKaltz/master

Allow the use of lineDashArray with the free drawing tool.

src/brushes/base_brush.class.js

@@ -42,6 +42,13 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
    */
   strokeLineJoin:   'round',
 
+  /**
+   * Stroke Dash Array.
+   * @type Array
+   * @default
+   */
+  strokeDashArray:   null,
+
   /**
    * Sets shadow of an object
    * @param {Object|String} [options] Options object or string (e.g. "2px 2px 10px rgba(0,0,0,0.2)")
@@ -64,6 +71,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
     ctx.lineWidth = this.width;
     ctx.lineCap = this.strokeLineCap;
     ctx.lineJoin = this.strokeLineJoin;
+    ctx.setLineDash(this.strokeDashArray);
   },
 
   /**

src/brushes/pencil_brush.class.js

@@ -171,6 +171,7 @@
                    strokeWidth: this.width,
                    strokeLineCap: this.strokeLineCap,
                    strokeLineJoin: this.strokeLineJoin,
+                   strokeDashArray: this.strokeDashArray,
                    originX: 'center',
                    originY: 'center'
                  });