Rename Gulpfile.js to gulpfile.js

because not Grunt.

gulpfile.js

@@ -0,0 +1,19 @@
+var elixir = require('laravel-elixir');
+
+/*
+ |----------------------------------------------------------------
+ | Have a Drink!
+ |----------------------------------------------------------------
+ |
+ | Elixir provides a clean, fluent API for defining some basic
+ | Gulp tasks for your Laravel application. Elixir supports
+ | several common CSS, JavaScript and even testing tools!
+ |
+ */
+
+elixir(function(mix) {
+    mix.sass("bootstrap.scss")
+       .routes()
+       .events()
+       .phpUnit();
+});