[real-world uses] Add Pharaoh

doc/realworld.html

@@ -124,6 +124,7 @@
       <li><a href="http://clrhome.org/asm/">ORG</a> (z80 assembly IDE)</li>
       <li><a href="https://github.com/mamacdon/orion-codemirror">Orion-CodeMirror integration</a> (running CodeMirror modes in Orion)</li>
       <li><a href="http://paperjs.org/">Paper.js</a> (graphics scripting)</li>
+      <li><a href="http://pharaoh.js.org/">Pharaoh</a> (browser &amp; desktop editor for the classroom)</li>
       <li><a href="http://prinbit.com/">PrinBit</a> (collaborative coding tool)</li>
       <li><a href="http://prose.io/">Prose.io</a> (github content editor)</li>
       <li><a href="https://pypi.python.org/pypi/PubliForge/">PubliForge</a> (online publishing system)</li>