Merge pull request #41 from deuwert/upgrade-version-number

Update download page to 1.2.0

Author: matz

downloads/index.html

@@ -7,7 +7,7 @@
   <div>
     <h2>Downloads</h2>
     <p>
-      <b>Current stable</b>: <a href="https://github.com/mruby/mruby/archive/1.1.0.zip">mruby 1.1.0</a>
+      <b>Current stable</b>: <a href="https://github.com/mruby/mruby/archive/1.2.0.zip">mruby 1.2.0</a>
     </p>
   </div>
 </div>