Rakefile in kramdown-man-0.1.5 vs Rakefile in kramdown-man-0.1.6

@@ -1,45 +1,23 @@
 # encoding: utf-8
 
-require 'rubygems'
-require 'rake'
-
 begin
-  gem 'rubygems-tasks', '~> 0.2'
-  require 'rubygems/tasks'
-
-  Gem::Tasks.new
-rescue LoadError => e
-  warn e.message
-  warn "Run `gem install rubygems-tasks` to install Gem::Tasks."
+  require 'bundler/setup'
+rescue LoadError => error
+  abort error.message
 end
 
-begin
-  gem 'rspec', '~> 2.4'
-  require 'rspec/core/rake_task'
+require 'rake'
+require 'rubygems/tasks'
+Gem::Tasks.new
 
-  RSpec::Core::RakeTask.new
-rescue LoadError => e
-  task :spec do
-    abort "Please run `gem install rspec` to install RSpec."
-  end
-end
-
+require 'rspec/core/rake_task'
+RSpec::Core::RakeTask.new
 task :test    => :spec
 task :default => :spec
 
-begin
-  gem 'yard', '~> 0.8'
-  require 'yard'
-
-  YARD::Rake::YardocTask.new  
-rescue LoadError => e
-  task :yard do
-    abort "Please run `gem install yard` to install YARD."
-  end
-end
+require 'yard'
+YARD::Rake::YardocTask.new  
 task :doc => :yard
-
-$LOAD_PATH.unshift(File.expand_path('lib'))
 
 require 'kramdown/man/task'
 Kramdown::Man::Task.new