<p>This pull request will fix the display of blog post teasers on the front page and on the main blog page, only displaying a teaser image if the value for a teaser image is set in the post's front matter. This also incorporates template changes per <a href="https://github.com/opentechinstitute/commotion-docs/issues/15" class="issue-link" title="refine default and front layouts and include files">#15</a></p>

<p>To test, pull the issue-99 branch, build & serve using a local jekyll server, and confirm that "broken" images do not appear in various browsers on the front page / and on the main blog page /blog</p>

<p>To test issue 15, confirm that the front page displays properly using the new layout code in _layouts/front.html</p>

<hr>

<h4>You can merge this Pull Request by running</h4>
<pre>  git pull https://github.com/opentechinstitute/commotion-docs issue-99</pre>
<p>Or view, comment on, or merge it at:</p>
<p>  <a href='https://github.com/opentechinstitute/commotion-docs/pull/110'>https://github.com/opentechinstitute/commotion-docs/pull/110</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>added logic to the blog posts displays to only provide the teaser image if it's been set in the blog post. Also refined front layout with proper include files per issue #15</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-0">commotionwireless.net/_includes/blog-front-content.html</a>
    (2)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-1">commotionwireless.net/_includes/blog-recent-posts.html</a>
    (8)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-2">commotionwireless.net/_includes/download-button-block.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-3">commotionwireless.net/_includes/left-third-close.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-4">commotionwireless.net/_includes/left-third-open.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-5">commotionwireless.net/_includes/right-twothird-close.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-6">commotionwireless.net/_includes/right-twothird-open.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-7">commotionwireless.net/_includes/right-twothird.html</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-8">commotionwireless.net/_includes/twitter-feed-block.html</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/opentechinstitute/commotion-docs/pull/110/files#diff-9">commotionwireless.net/_layouts/front.html</a>
    (29)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/opentechinstitute/commotion-docs/pull/110.patch'>https://github.com/opentechinstitute/commotion-docs/pull/110.patch</a></li>
  <li><a href='https://github.com/opentechinstitute/commotion-docs/pull/110.diff'>https://github.com/opentechinstitute/commotion-docs/pull/110.diff</a></li>
</ul>

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