Cleaning up some paths.

Handling root_url if not ending w /, using http: for all cross-site
references.

app/views/layouts/application.html.haml

@@ -26,7 +26,7 @@
     <!--[if IE]>
     = javascript_include_tag "/javascripts/ie.js"
     <![endif]-->
-    = javascript_include_tag "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"
+    = javascript_include_tag "http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"
 
     :javascript
       !window.jQuery && document.write(unescape('%3Cscript src="/javascripts/vendor/jquery144.min.js"%3E%3C/script%3E'))
@@ -93,7 +93,7 @@
           %li= link_to '@joindiaspora', "http://twitter.com/joindiaspora"
           %li= link_to 'github', "https://github.com/diaspora/diaspora"
           %li= link_to t('layouts.header.blog'), "http://blog.joindiaspora.com"
-          %li= link_to t('layouts.header.code'), "#{root_url}source.tar.gz"
+          %li= link_to t('layouts.header.code'), "#{root_url.chomp('/')}/source.tar.gz"
           %li= link_to t('.whats_new'), 'https://github.com/diaspora/diaspora/wiki/Changelog'
 
     -if !@landing_page && request.url.match(/joindiaspora.com/)

app/views/publics/host_meta.erb

@@ -3,7 +3,7 @@
      xmlns:hm='http://host-meta.net/xrd/1.0'>
      <hm:Host><%= AppConfig[:pod_uri].host %></hm:Host>
   <Link rel='lrdd'
-        template='<%= AppConfig[:pod_url] %>webfinger?q={uri}'>
+        template='<%= AppConfig[:pod_url].chomp("/") %>/webfinger?q={uri}'>
     <Title>Resource Descriptor</Title>
   </Link>
 </XRD>