ability to export batch/suite

Author: cloudhead

lib/vows/suite.js

@@ -209,4 +209,8 @@ this.Suite.prototype = new(function () {
     };
 
     this.runParallel = function () {};
+
+    this.export = function (exports) {
+        return exports.vows = this;
+    };
 });

test/vows-test.js

@@ -272,4 +272,4 @@ vows.describe("Vows").addVows({
     "A 3rd test suite": {
         "should run last": function () {}
     }
-});
+}).export(this);