adds rake task to scrape sites for spec examples

spec/support/cases/microformats-2-3.html

@@ -0,0 +1,17 @@
+<!-- http://microformats.org/wiki/microformats-2 -->
+<div class="h-card">
+  <img class="u-photo" alt="photo of Mitchell"
+       src="https://webfwd.org/content/about-experts/300.mitchellbaker/mentor_mbaker.jpg"/>
+  <a class="p-name u-url"
+     href="http://blog.lizardwrangler.com/" 
+    >Mitchell Baker</a>
+ (<a class="u-url" 
+     href="https://twitter.com/MitchellBaker"
+    >@MitchellBaker</a>)
+  <span class="p-org">Mozilla Foundation</span>
+  <p class="p-note">
+    Mitchell is responsible for setting the direction and scope of the Mozilla Foundation and its activities.
+  </p>
+  <span class="p-category">Strategy</span>
+  <span class="p-category">Leadership</span>
+</div>