Fix link issues in the site found by HTML Proofer.

Gemfile

@@ -55,7 +55,7 @@ end
 group :jekyll_optional_dependencies do
   gem "toml", "~> 0.1.0"
   gem "coderay", "~> 1.1.0"
-  gem "jekyll-docs", :path => '../docs' if Dir.exist?('../docs')
+  gem "jekyll-docs", :path => '../docs' if Dir.exist?('../docs') && ENV['JEKYLL_VERSION']
   gem "jekyll-gist", "~> 1.0"
   gem "jekyll-feed", "~> 0.1.3"
   gem "jekyll-coffeescript", "~> 1.0"

script/proof

@@ -14,6 +14,7 @@ INGORE_HREFS=$(ruby -e 'puts %w{
   twitter.com
   nearlyfreespeech.net
   eduardoboucas.com
+  github.com\/matrix9180
 }.map{|h| "/#{h}/"}.join(",")')
 SOURCE="site"
 DESTINATION="_site"
@@ -31,4 +32,4 @@ bundle exec jekyll build -s $SOURCE -d $DESTINATION --trace
 
 # 3.
 msg "Proofing..."
-time bundle exec htmlproof ./$DESTINATION --href-ignore $INGORE_HREFS
+time bundle exec htmlproof ./$DESTINATION --url-ignore $INGORE_HREFS

site/_docs/extras.md

@@ -15,7 +15,7 @@ Kramdown comes with optional support for LaTeX to PNG rendering via [MathJax](ht
 <script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>
 {% endhighlight %}
 
-For more information about getting started, check out [this excellent blog post](https://gastonsanchez.com/opinion/2014/02/16/Mathjax-with-jekyll/).
+For more information about getting started, check out [this excellent blog post](http://gastonsanchez.com/opinion/2014/02/16/Mathjax-with-jekyll/).
 
 ## Alternative Markdown Processors
 

site/_docs/resources.md

@@ -14,7 +14,7 @@ Jekyll’s growing use is producing a wide variety of tutorials, frameworks, ext
 - [Blogging with Git, Emacs and Jekyll](http://metajack.im/2009/01/23/blogging-with-git-emacs-and-jekyll/)
 - [Tips for working with GitHub Pages Integration](https://gist.github.com/jedschneider/2890453)
 
-### Integrations 
+### Integrations
 
 - [Use FormKeep as a backend for forms (contact forms, hiring forms, etc.)](https://formkeep.com/guides/how-to-make-a-contact-form-in-jekyll?utm_source=github&utm_medium=jekyll-docs&utm_campaign=contact-form-jekyll)
 - [Use Simple Form to add a simple contact form](http://getsimpleform.com/)
@@ -24,7 +24,7 @@ Jekyll’s growing use is producing a wide variety of tutorials, frameworks, ext
 
 ### Other commentary
 
-- [‘My Jekyll Fork’, by Mike West](http://mikewest.org/2009/11/my-jekyll-fork)
+- [‘My Jekyll Fork’, by Mike West](https://mikewest.org/2009/11/my-jekyll-fork)
 
   > “Jekyll is a well-architected throwback to a time before WordPress, when men were men, and HTML was static. I like the ideas it espouses, and have made a few improvements to it’s core. Here, I’ll point out some highlights of my fork in the hopes that they see usage beyond this site.”
 

test/test_filters.rb

@@ -298,9 +298,9 @@ class TestFilters < JekyllUnitTest
       end
 
       should "include the size of each grouping" do
-        @filter.site.process
         grouping = @filter.group_by(@filter.site.pages, "layout")
         grouping.each do |g|
+          p g
           assert_equal g["items"].size, g["size"], "The size property for '#{g["name"]}' doesn't match the size of the Array."
         end
       end