Fix token color customization for CodeRay >= 1.1.0

See: e2acec3ef1
     https://github.com/pry/pry/issues/1012#issuecomment-29213405

irb/pryrc

@@ -91,74 +91,15 @@ end
 # color codes, but such is life. 
 CodeRay.scan("example", :ruby).term # just to load necessary files
 # Token colors pulled from: https://github.com/rubychan/coderay/blob/master/lib/coderay/encoders/terminal.rb
-TERM_TOKEN_COLORS = {
-        :attribute_name => '33',
-        :attribute_value => '31',
-        :binary => '1;35',
-        :char => {
-          :self => '36', :delimiter => '34'
-        },
-        :class => '1;35',
-        :class_variable => '36',
-        :color => '32',
-        :comment => '37',
-        :complex => '34',
-        :constant => ['34', '4'],
-        :decoration => '35',
-        :definition => '1;32',
-        :directive => ['32', '4'],
-        :doc => '46',
-        :doctype => '1;30',
-        :doc_string => ['31', '4'],
-        :entity => '33',
-        :error => ['1;33', '41'],
-        :exception => '1;31',
-        :float => '1;35',
-        :function => '1;34',
-        :global_variable => '42',
-        :hex => '1;36',
-        :include => '33',
-        :integer => '1;34',
-        :key => '35',
-        :label => '1;15',
-        :local_variable => '33',
-        :octal => '1;35',
-        :operator_name => '1;29',
-        :predefined_constant => '1;36',
-        :predefined_type => '1;30',
-        :predefined => ['4', '1;34'],
-        :preprocessor => '36',
-        :pseudo_class => '34',
-        :regexp => {
-          :self => '31',
-          :content => '31',
-          :delimiter => '1;29',
-          :modifier => '35',
-          :function => '1;29'
-        },
-        :reserved => '1;31',
-        :shell => {
-          :self => '42',
-          :content => '1;29',
-          :delimiter => '37',
-        },
-        :string => {
-          :self => '36',
-          :modifier => '1;32',
-          :escape => '1;36',
-          :delimiter => '1;32',
-        },
-        :symbol => '1;31',
-        :tag => '34',
-        :type => '1;34',
-        :value => '36',
-        :variable => '34',
-        
-        :insert => '42',
-        :delete => '41',
-        :change => '44',
-        :head => '45'
-}
+
+$LOAD_PATH << File.dirname(File.realpath(__FILE__))
+
+# In CodeRay >= 1.1.0 token colors are defined as pre-escaped ANSI codes
+if CodeRay::VERSION >= "1.1.0"
+  require "escaped_colors"
+else
+  require "unescaped_colors"
+end
 
 module CodeRay
     module Encoders