Implement manual Cucumber features task, to work around bundler bugs.

Rakefile

@@ -9,7 +9,7 @@ end
 
 begin
   require 'cucumber/rake/task'
-  Cucumber::Rake::Task.new(:features)
+  #Cucumber::Rake::Task.new(:features)
 rescue LoadError
   task :features do
     abort "Cucumber is not available. In order to run features, you must: sudo gem install cucumber"
@@ -18,6 +18,14 @@ end
 
 task :default => :features
 
+desc "Run Cucumber features"
+task :features do
+  puts "The bundled Cucumber Rake task is broken with Bundler."
+  puts "Invoking Cucumber manually."
+  puts
+  system("cucumber")
+end
+
 require 'rake/rdoctask'
 Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""