Pass tileSize option into torque renderer

It depends on CartoDB/torque#260

Author: rochoa

lib/windshaft/renderers/torque/png_renderer.js

@@ -26,6 +26,7 @@ function PngRenderer(layer, sql, attrs, options) {
     this.rendererOptions = _.extend({}, layer.options, cartoCssOptions, {
         canvasClass: Canvas,
         imageClass: Canvas.Image,
+        tileSize: options.tileSize,
         // TODO This should behave as a locking cache
         // It should not request the same file as many times as setImageSrc is invoked
         // Right now it will be called: (# different marker-files) * (# calls to renderer.Point.renderTile) times