Revert to using leftright

Gemfile

@@ -9,7 +9,7 @@ group :test do
   gem 'em-synchrony', '~> 0.2', :require => ['em-synchrony', 'em-synchrony/em-http'], :platforms => :ruby_19
   gem 'excon', '~> 0.6'
   gem 'patron', '~> 0.4', :platforms => :ruby
-  gem 'turn', :require => false
+  gem 'leftright', :require => false
   gem 'typhoeus', '~> 0.2', :platforms => :ruby
   gem 'webmock'
   # ActiveSupport::JSON will be used in ruby 1.8 and Yajl in 1.9; this is to test against both adapters
@@ -19,6 +19,7 @@ end
 
 platforms :jruby do
   gem 'jruby-openssl', '~> 0.7'
+  gem 'ffi-ncurses'
 end
 
 gemspec

test/helper.rb

@@ -1,6 +1,13 @@
 require 'rubygems'
 require 'test/unit'
-require 'turn'
+
+if ENV['LEFTRIGHT']
+  begin
+    require 'leftright'
+  rescue LoadError
+    puts "Run `gem install leftright` to install leftright."
+  end
+end
 
 unless $LOAD_PATH.include? 'lib'
   $LOAD_PATH.unshift(File.dirname(__FILE__))