consolidate requires

lib/fog.rb

@@ -1,11 +1,19 @@
+require 'rubygems'
+require 'rubygems'
+require 'base64'
+require 'cgi'
+require 'digest/md5'
+require 'hmac-sha1'
+require 'hmac-sha2'
+require 'json'
+require 'mime/types'
+
 __DIR__ = File.dirname(__FILE__)
 
 $LOAD_PATH.unshift __DIR__ unless
   $LOAD_PATH.include?(__DIR__) ||
   $LOAD_PATH.include?(File.expand_path(__DIR__))
 
-require 'base64'
-
 module Fog
 
   def self.mock!

lib/fog/aws.rb

@@ -1,11 +1,3 @@
-require 'rubygems'
-require 'base64'
-require 'cgi'
-require 'digest/md5'
-require 'hmac-sha1'
-require 'hmac-sha2'
-require 'mime/types'
-
 module Fog
   module AWS
 

lib/fog/rackspace.rb

@@ -1,6 +1,3 @@
-require 'rubygems'
-require 'json'
-
 module Fog
   module Rackspace