Merge branch 'patch-1' of git://github.com/pathawks/jekyll into pathawks-patch-1

* 'patch-1' of git://github.com/pathawks/jekyll:
  Use proper Ruby syntax for constant
  Expose Jekyll version to templates

lib/jekyll/site.rb

@@ -268,6 +268,7 @@ module Jekyll
     def site_payload
       {"site" => self.config.merge({
           "time"       => self.time,
+          "version"    => Jekyll::VERSION,
           "posts"      => self.posts.sort { |a, b| b <=> a },
           "pages"      => self.pages,
           "html_pages" => self.pages.reject { |page| !page.html? },