diff --git a/.themes/classic/source/_includes/archive_post.html b/.themes/classic/source/_includes/archive_post.html
index b667b88..fef3328 100644
--- a/.themes/classic/source/_includes/archive_post.html
+++ b/.themes/classic/source/_includes/archive_post.html
@@ -1,6 +1,6 @@
 {% capture category %}{{ post.categories | size }}{% endcapture %}
 <h1><a href="{{ root_url }}{{ post.url }}">{{post.title}}</a></h1>
-<time datetime="{{ post.date | datetime }}" pubdate>{{ post.date | date: "<span class='month'>%b</span> <span class='day'>%d</span> <span class='year'>%Y</span>"}}</time>
+<time datetime="{{ post.date | datetime | date_to_xmlschema }}" pubdate>{{ post.date | date: "<span class='month'>%b</span> <span class='day'>%d</span> <span class='year'>%Y</span>"}}</time>
 {% if category != '0' %}
 <footer>
   <span class="categories">posted in {{ post.categories | category_links }}</span>
diff --git a/.themes/classic/source/_includes/head.html b/.themes/classic/source/_includes/head.html
index d6a6735..5370cb4 100644
--- a/.themes/classic/source/_includes/head.html
+++ b/.themes/classic/source/_includes/head.html
@@ -4,7 +4,7 @@
 <!--[if (gt IE 8)|(gt IEMobile 7)|!(IEMobile)|!(IE)]><!--><html class="no-js" lang="en"><!--<![endif]-->
 <head>
   <meta charset="utf-8">
-  <title>{{site.title}}{% if page.title %}: {{page.title}}{% endif %}</title>
+  <title>{% if page.title %}{{page.title}} « {% endif %}{{site.title}}</title>
   <meta name="author" content="{{site.author}}">
   {% if page.description %}
     <meta name="description" content="{{page.description}}"/>
@@ -26,8 +26,5 @@
   <script src="http://s3.amazonaws.com/ender-js/jeesh.min.js"></script>
   <script src="{{ root_url }}/javascripts/octopress.js" type="text/javascript"></script>
   <link href="{{ site.subscribe_rss }}" rel="alternate" title="{{site.title}}" type="application/atom+xml"/>
-  {% include google_analytics.html %}
-  {% include google_plus_one.html %}
-  {% include twitter_sharing.html %}
   {% include custom/head.html %}
 </head>
diff --git a/.themes/classic/source/_includes/post/date.html b/.themes/classic/source/_includes/post/date.html
index dce9247..bc49313 100644
--- a/.themes/classic/source/_includes/post/date.html
+++ b/.themes/classic/source/_includes/post/date.html
@@ -3,8 +3,8 @@
 {% capture updated %}{{ page.updated }}{{ post.updated }}{% endcapture %}
 {% capture was_updated %}{{ updated | size }}{% endcapture %}
 {% if has_date != '0' %}
-<time datetime="{{ date | datetime }}" pubdate {% if updated %} updated {% endif %}>{{ date | ordinalize }}</time>
+<time datetime="{{ date | datetime | date_to_xmlschema }}" pubdate {% if updated %} data-updated="true" {% endif %}>{{ date | ordinalize }}</time>
 {% endif %}
 {% if was_updated != '0' %}
-<time class="updated" datetime="{{ updated | datetime }}">{{ updated | ordinalize }}</time>
+<time class="updated" datetime="{{ updated | datetime | date_to_xmlschema }}">{{ updated | ordinalize }}</time>
 {% endif %}
diff --git a/.themes/classic/source/_includes/post/sharing.html b/.themes/classic/source/_includes/post/sharing.html
index 7b074af..f0f9b9d 100644
--- a/.themes/classic/source/_includes/post/sharing.html
+++ b/.themes/classic/source/_includes/post/sharing.html
@@ -3,6 +3,6 @@
   <a href="http://twitter.com/share" class="twitter-share-button" data-url="{{ site.url }}{{ page.url }}" data-via="{{ site.twitter_user }}" data-counturl="{{ site.url }}{{ page.url }}" >Tweet</a>
   {% endif %}
   {% if site.google_plus_one %}
-  <g:plusone size="{{ site.google_plus_one_size }}"></g:plusone>
+  <div class="g-plusone" data-size="{{ site.google_plus_one_size }}"></div>
   {% endif %}
 </div>
diff --git a/.themes/classic/source/_layouts/default.html b/.themes/classic/source/_layouts/default.html
index 5714757..5523ac1 100644
--- a/.themes/classic/source/_layouts/default.html
+++ b/.themes/classic/source/_layouts/default.html
@@ -9,5 +9,8 @@
     </div>
   </div>
   <footer>{% include footer.html %}</footer>
+  {% include google_analytics.html %}
+  {% include google_plus_one.html %}
+  {% include twitter_sharing.html %}
 </body>
 </html>
diff --git a/Gemfile b/Gemfile
index ffb614f..14ee966 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,4 +10,5 @@ gem 'haml', '>= 3.1'
 gem 'compass', '>= 0.11'
 gem 'rubypants'
 gem 'rb-fsevent'
-gem 'stringex'
\ No newline at end of file
+gem 'stringex'
+gem 'unicode_utils'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index f2fc737..000eec9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,6 +42,7 @@ GEM
     sass (3.1.7)
     stringex (1.3.0)
     syntax (1.0.0)
+    unicode_utils (1.0.0)
 
 PLATFORMS
   ruby
@@ -58,3 +59,4 @@ DEPENDENCIES
   rdiscount
   rubypants
   stringex
+  unicode_utils
diff --git a/Rakefile b/Rakefile
index 6f7633d..5a3f8f0 100644
--- a/Rakefile
+++ b/Rakefile
@@ -27,6 +27,9 @@ server_port     = "4000"      # port for preview server eg. localhost:4000
 
 desc "Initial setup for Octopress: copies the default theme into the path of Jekyll's generator. Rake install defaults to rake install[classic] to install a different theme run rake install[some_theme_name]"
 task :install, :theme do |t, args|
+  if File.directory?(source_dir) || File.directory?("sass")
+    abort("rake aborted!") if ask("A theme is already installed, proceeding will overwrite existing files. Are you sure?", ['y', 'n']) == 'n'
+  end
   # copy theme into working Jekyll directories
   theme = args.theme || 'classic'
   puts "## Copying "+theme+" theme into ./#{source_dir} and ./sass"
@@ -301,6 +304,20 @@ def ok_failed(condition)
   end
 end
 
+def get_stdin(message)
+  print message
+  STDIN.gets.chomp
+end
+
+def ask(message, valid_options)
+  if valid_options
+    answer = get_stdin("#{message} #{valid_options.to_s.gsub(/"/, '').gsub(/, /,'/')} ") while !valid_options.include?(answer)
+  else
+    answer = get_stdin(message)
+  end
+  answer
+end
+
 desc "list tasks"
 task :list do
   puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:list]]).join(', ')}"
diff --git a/plugins/category_generator.rb b/plugins/category_generator.rb
index 52f2d7e..a765845 100644
--- a/plugins/category_generator.rb
+++ b/plugins/category_generator.rb
@@ -16,8 +16,9 @@
 # - category_dir:          The subfolder to build category pages in (default is 'categories').
 # - category_title_prefix: The string used before the category name in the page title (default is
 #                          'Category: ').
-module Jekyll
+require "unicode_utils"
 
+module Jekyll
 
   # The CategoryIndex class creates a single category page for the specified category.
   class CategoryIndex < Page
@@ -68,7 +69,7 @@ module Jekyll
       if self.layouts.key? 'category_index'
         dir = self.config['category_dir'] || 'categories'
         self.categories.keys.each do |category|
-          self.write_category_index(File.join(dir, category.gsub(/[_\W]/, '-').gsub(/-{2,}/, '-')), category)
+          self.write_category_index(File.join(dir, UnicodeUtils.nfkd(category).gsub(/[^\x00-\x7F]/, '').gsub(/_|\W/, '-').gsub(/-{2,}/, '-').to_s), category)
         end
 
       # Throw an exception if the layout couldn't be found.
@@ -105,7 +106,7 @@ module Jekyll
     def category_links(categories)
       dir = @context.registers[:site].config['category_dir']
       categories = categories.sort!.map do |item|
-        "<a class='category' href='/#{dir}/#{item.gsub(/[_\W]/, '-').gsub(/-{2,}/, '-')}/'>#{item}</a>"
+        "<a class='category' href='/#{dir}/#{UnicodeUtils.nfkd(item).gsub(/[^\x00-\x7F]/, '').gsub(/_|\W/, '-').gsub(/-{2,}/, '-').to_s}/'>#{item}</a>"
       end
 
       case categories.length
