fix(blog) Get rid of extraneous white spaces caused by liquid

Author: msavy

_blog-src/_layouts/post.html

@@ -17,12 +17,14 @@ <h1 style="color: #666; font-weight: bold" class="post-title section-header">{{
     <p class="bg-warning"
        style="margin-top:15px; padding: 10px;">
         Note: A newer revision of this blogpost for <b>apiman 1.2.x</b> can be found <a href="
+        {% strip %}
         {% for post in site.posts %}
               {% assign postName = post.path | find_post_by_path %}
               {% if postName == page.newUrl %}
                 {{ site.url }}{{ site.baseurl }}{{ post.url }}
               {% endif %}
         {% endfor %}
+        {% endstrip %}
            ">here</a>. This version was written for <b>apiman 1.1.x</b>.
     </p>
   {% endif %}

_blog-src/_plugins/strip.rb

@@ -0,0 +1,15 @@
+#https://github.com/aucor/jekyll-plugins/blob/master/LICENCE
+# Replaces multiple newlines and whitespace 
+# between them with one newline
+
+module Jekyll
+  class StripTag < Liquid::Block
+
+    def render(context)
+      super.gsub /\n\s*\n/, "\n"
+    end
+
+  end
+end
+
+Liquid::Template.register_tag('strip', Jekyll::StripTag)