don't confuse users watching memcached bucket type stats. MB-1883

Change-Id: I72b40bf93d5d1170d087e17216608dd7e8cbdb75
Reviewed-on: http://review.membase.org/4305
Reviewed-by: Steve Yen <steve.yen@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>

deps/menelaus/priv/public/index.html

@@ -344,7 +344,7 @@ <h3>Disk Storage</h3>
   <div id="analytics" style="display:none">
   <span class="block nav float_right configure_view"><a href="javascript:StatGraphs.configureStats();">Configure View</a></span>
         <h1>
-                MEMBASE BUCKETS: <span class="stat_target_name">&nbsp;</span>
+                DATA BUCKETS: <span class="stat_target_name">&nbsp;</span>
         </h1>
         <div class="shadow_box"><div class="top"><div><div>&nbsp;</div></div></div><div class="cnt"><div class="pad"><div class="content">
     <div class="section">