Changes the language from members to metrics

The reason is because Positive Spin policies have changed.  These metrics give you a better idea of who has actually been at the shop based on metrics:

Days and Hours (currently 2 / 8)

stats.php

@@ -9,7 +9,7 @@
 
 		<p class="yb_heading3red">Membership</p>
 	    <ul>
-	    	<li><a href="stats/members.php" >Members (Running 12 Month Period and Range)</a></li>
+	    	<li><a href="stats/members.php" >Metrics (Running 12 Month Period and Range)</a></li>
 	    	<li><a href="stats/paid_members.php" >Paid Members</a></li>
 	    </ul>
 	    

stats/members.php

@@ -115,10 +115,10 @@ while ($result = mysql_fetch_assoc($purchased_membership)) {
           <td>
             <table  border="1" cellpadding="1" cellspacing="0">
               <tr bgcolor="#99CC33" class="yb_standardCENTERbold">
-                <td colspan="4" height="25">Membership [<?php echo ">= $membership_days days and >= $membership_hours hours" ?>]</td>
+                <td colspan="4" height="25">Metrics [<?php echo ">= $membership_days days and >= $membership_hours hours" ?>]</td>
 	          </tr>
               <tr valign="top" bgcolor="#99CC33" class="yb_standardCENTER">
-			    <td width="relative"><?php echo $num_member_rows; ?>  Members<br /></td>
+			    <td width="relative"><?php echo $num_member_rows; ?> Volunteers<br /></td>
 			    <td width="relative">Visits<br /></td>
 			    <td width="relative">Hours<br /></td>
 		      </tr>