Merge pull request creativecommons#461 from Aakash2408/date_format

date_format corrected (Fixes creativecommons#440)

Author: kgodey

templates/blog-post.html

@@ -12,7 +12,7 @@
   <h2 class="mb-0">{{ this.title }}</h2>
   {{ check_file('content' + this.parent.parent.path + '/authors/' + this.author + '/contents.lr') }}
   <p class="meta text-muted mt-0 mb-2">by <a href="{{ author|url }}">{{ render_author_name(author) }}</a>
-  on {{ this.pub_date|dateformat('EEEE, yyyy-''MM-d') }}</p>
+  on {{ this.pub_date|dateformat("YYYY-MM-dd") }}</p>
   {% if this.series|length %}  
    {% set series = this.parent.parent.children.get('series').children.get(this.series) %}
   <div class="card bg-light mb-2">