Fix the version string in the About:Vimperator page.

--HG--
extra : transplant_source : %F2%DA%8C%7E%EDrq%84%94%049H%27%82%99%95h%7B%BD%16

vimperator/content/about.html

@@ -15,7 +15,7 @@
         <div id="text-container">
 <div style="text-align: center;">
 <img src="chrome://vimperator/content/logo.png" alt="Vimperator" />
-version 2.1
+version ###VERSION###
 by Martin Stubenschrott et al.
 Vimperator is open source and freely distributable