Move I18n to options

lib/liquid/template.rb

@@ -14,6 +14,10 @@ module Liquid
   #   template.render('user_name' => 'bob')
   #
   class Template
+    DEFAULT_OPTIONS = {
+      :locale => I18n.new
+    }
+
     attr_accessor :root, :resource_limits
     @@file_system = BlankFileSystem.new
 
@@ -68,7 +72,7 @@ module Liquid
     # Parse source code.
     # Returns self for easy chaining
     def parse(source, options = {})
-      @root = Document.new(tokenize(source), options)
+      @root = Document.new(tokenize(source), DEFAULT_OPTIONS.merge(options))
       @warnings = nil
       self
     end
@@ -79,7 +83,7 @@ module Liquid
     end
 
     def registers
-      @registers ||= {:locale => Liquid::I18n.new}
+      @registers ||= {}
     end
 
     def assigns