external links should all open new tabs

customize.dist/BottomBar.html

@@ -3,7 +3,7 @@
   <div class="bottom-bar">
     <div class="bottom-bar-left">
       <p>
-        <a href="http://www.xwiki.com/">
+        <a href="http://www.xwiki.com/" target="_blank">
         Made with
         <img class="bottom-bar-heart" src="/customize/heart.png" />
         in
@@ -17,13 +17,13 @@
     </div> -->
     <div class="bottom-bar-right">
       <p>
-      <a href="http://labs.xwiki.com/" title="XWiki Labs">
+      <a href="http://labs.xwiki.com/" title="XWiki Labs" target="_blank">
         An
         <img src="/customize/logo-xwiki2.png"
            alt="XWiki SAS"
            class="bottom-bar-xwiki"
         /> Labs Project </a> with the support of 
-        <a href="http://ng.open-paas.org/" title="OpenPaaS::ng"> <img src="/customize/openpaasng.png"
+        <a href="http://ng.open-paas.org/" title="OpenPaaS::ng" target="_blank"> <img src="/customize/openpaasng.png"
             alt="OpenPaaS-ng"
             class="bottom-bar-openpaas" />
         </a>