Bug 495859 - Lightning notification bar appears at the bottom of the message pane (regression). r=standard8

calendar/lightning/content/imip-bar-overlay.xul

@@ -22,6 +22,7 @@
    -   Clint Talbert <ctalbert.moz@gmail.com>
    -   Matthew Willis <lilmatt@mozilla.com>
    -   Philipp Kewisch <mozilla@kewis.ch>
+   -   Martin Schroeder <mschroeder@mozilla.x-home.org>
    -
    - Alternatively, the contents of this file may be used under the terms of
    - either the GNU General Public License Version 2 or later (the "GPL"), or
@@ -63,6 +64,7 @@
             src="chrome://calendar/content/calendar-ui-utils.js"/>
 
     <vbox id="messagepanebox">
+      <vbox id="singlemessage">
         <lightning-notification-bar id="imip-bar"
                                     collapsed="true"
                                     insertbefore="msgHeaderView"
@@ -71,5 +73,6 @@
           <button id="imip-button2" hidden="true"/>
           <button id="imip-button3" hidden="true"/>
         </lightning-notification-bar>
+      </vbox>
     </vbox>
 </overlay>

calendar/lightning/install.rdf

@@ -11,7 +11,7 @@
       <Description>
         <!-- thunderbird -->
         <em:id>{3550f703-e582-4d05-9a08-453d09bdfdc6}</em:id>
-        <em:minVersion>3.0b2pre</em:minVersion>
+        <em:minVersion>3.0b3pre</em:minVersion>
         <em:maxVersion>@THUNDERBIRD_VERSION@</em:maxVersion>
       </Description>
     </em:targetApplication>