fixes #23 do not reuse the @output_buffer but always create a new one for the paginator

otherwise, the paginator partial skips escape_javascript in some cases when rendered via Ajax call

lib/kaminari/helpers/helpers.rb

@@ -17,10 +17,6 @@ module Kaminari
         resolver.find_all(*args_for_lookup(name)).present?
       end
 
-      def output_buffer #:nodoc:
-        @template.instance_variable_get('@output_buffer')
-      end
-
       private
       def context
         @template.instance_variable_get('@lookup_context')

lib/kaminari/helpers/tags.rb

@@ -74,17 +74,13 @@ module Kaminari
       def initialize(template, window_options) #:nodoc:
         @template, @options = template, window_options.reverse_merge(template.options)
         # so that this instance can actually "render". Black magic?
-        @output_buffer = @template.output_buffer
-        if @output_buffer.nil?
-          @output_buffer, @return_buffer = ActionView::OutputBuffer.new, true
-        end
+        @output_buffer = ActionView::OutputBuffer.new
       end
 
       # render given block as a view template
       def render(&block)
         instance_eval &block if @options[:num_pages] > 1
-        # return the output text only if the output_buffer was created inside this instance
-        @return_buffer ? @output_buffer : nil
+        @output_buffer
       end
 
       # enumerate each page providing PageProxy object as the block parameter