Bust gem prelude to ensure bundler's in the load path. Not sure what's broken here.

load_paths.rb

@@ -2,7 +2,13 @@ begin
   require File.expand_path('../.bundle/environment', __FILE__)
 rescue LoadError
   begin
-    require 'rubygems'
+    # bust gem prelude
+    if defined? Gem
+      Gem.cache
+      gem 'bundler'
+    else
+      require 'rubygems'
+    end
     require 'bundler'
     Bundler.setup
   rescue LoadError