added warning message about 0'6s development status

misago/templates/misago/base.html

@@ -22,6 +22,10 @@
     <div id="auth-message-mount"></div>
     <div id="snackbar-mount"></div>
 
+    <div style="background: #d00; padding: 12px 18px; text-align: center; color: #fff; text-shadow: 1px 1px 0px #300;">
+      <strong>Warning:</strong> This is unreleased version of Misago. There's no support or update path available for it!
+    </div>
+
     {% include "misago/jumbotron.html" %}
     {% include "misago/navbar.html" %}