Added database unavailability warnings

pages/index/0.php

@@ -23,6 +23,10 @@
 <?=sprintf(_("This license applies to using the CAcert %s root keys %s."),'<a href="/index.php?id=3">','</a>')?></p>
 
 
+<? if(!$_SESSION['mconn']) echo "<font size='+1'>"._("Most CAcert functions are currently unavailable. Please come back later.")."</font>";?>
+
+
+
 <div class="newsbox">
 <?
 /*

pages/index/4.php

@@ -16,6 +16,14 @@
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */ ?>
 
+<?
+   if(!$_SESSION['mconn'])
+   {
+     echo _("This function is currently unavailable. Please come back later.");
+     exit;
+   }
+?>
+
 <? if($_SESSION['_config']['hostname'] == $_SESSION['_config']['securehostname']) { ?>
 <p><?=_("Warning! You've attempted to log into the system with a client certificate, but the login failed due to the certificate being expired, revoked, disabled for certificate login, or simply not valid for this site. You can login using your Email/Pass Phrase to get a new certificate, by clicking on 'Normal Login' to the right of your screen.")?></p>
 <? } else { ?>