Added RubyPants (the ruby port of John Gruber's smarty pants) to intelligently replace primes with smart quotes in the pullquote plugin, fixes #316

plugins/pullquote.rb

@@ -4,7 +4,7 @@
 #
 # Outputs a span with a data-pullquote attribute set from the marked pullquote. Example:
 #
-#   {% pullquote %} 
+#   {% pullquote %}
 #     When writing longform posts, I find it helpful to include pullquotes, which help those scanning a post discern whether or not a post is helpful.
 #     It is important to note, {" pullquotes are merely visual in presentation and should not appear twice in the text. "} That is why it is prefered
 #     to use a CSS only technique for styling pullquotes.
@@ -33,7 +33,9 @@ module Jekyll
     def render(context)
       output = super
       if output.join =~ /\{"\s*(.+)\s*"\}/
-        @quote = $1
+        #@quote = $1
+        @quote = RubyPants.new($1).to_html
+        #@quote = CGI.escape($1)
         "<span class='pullquote-#{@align}' data-pullquote='#{@quote}'>#{output.join.gsub(/\{"\s*|\s*"\}/, '')}</span>"
       else
         return "Surround your pullquote like this {\" text to be quoted \"}"