Merge pull request #61 from evanj/master

Ghostscript is needed to use docsplit with PDF files

Author: jashkenas

index.html

@@ -134,6 +134,11 @@ <h2 id="installation">Installation &amp; Dependencies</h2>
         On the Mac, you can install from source or use <b>MacPorts</b>:<br />
         <tt>sudo port install poppler | brew install poppler</tt><br />
       </li>
+      <li>
+        (Optional) Install <a href="http://www.ghostscript.com/">Ghostscript</a>:<br />
+        <tt>[aptitude | port | brew] install ghostscript</tt><br />
+        Ghostscript is required to convert PDF and Postscript files.
+      </li>
       <li>
         (Optional) Install <a href="http://code.google.com/p/tesseract-ocr/">Tesseract</a>:<br />
         <tt>[aptitude | port | brew] install [tesseract | tesseract-ocr]</tt><br />