Add fix for #140 to change log

Author: rowanj

updates/GitX-dev.html

@@ -12,6 +12,11 @@ <h1>GitX-dev Release Notes</h1>
 <p>Recent changes made to <a href="https://github.com/rowanj/gitx">GitX-dev</a></p>
 </header>
 <section>
+<h2>Changes since 0.14.80</h2>
+<ul>
+<li>Fix for <a href="https://github.com/rowanj/gitx/issues/140">issue #140</a> - Command line <em>gitx</em> only working at the top-level working directory.</li>
+</ul>
+
 <h2>Changes since 0.14.70</h2>
 <ul>
 <li>Distribute updates as .dmg bundles, significantly reducing download size</li>