Added definitions for browserify.

browserify/browserify-tests.ts

@@ -0,0 +1,7 @@
+import browserify = require("browserify");
+import fs = require("fs");
+
+var b = browserify();
+b.add('./browser/main.js');
+b.transform('deamdify');
+b.bundle().pipe(fs.createWriteStream('bundle.js'));