accessibility: Screen Readable Actions

This improves accessibility by adding screen readable labels to ticket
actions that don’t already have them.

include/staff/templates/status-options.tmpl.php

@@ -37,6 +37,7 @@ if (!$nextStatuses)
     data-dropdown="#action-dropdown-statuses" data-placement="bottom" data-toggle="tooltip" title="<?php echo __('Change Status'); ?>">
     <i class="icon-caret-down pull-right"></i>
     <a class="tickets-action"
+        aria-label="<?php echo __('Change Status'); ?>"
         href="#statuses"><i
         class="icon-flag"></i></a>
 </span>

include/staff/templates/tickets-actions.tmpl.php

@@ -14,6 +14,7 @@ if ($agent->hasPerm(Ticket::PERM_ASSIGN, false)) {?>
     echo __('Assign'); ?>">
     <i class="icon-caret-down pull-right"></i>
     <a class="tickets-action" id="tickets-assign"
+        aria-label="<?php echo __('Assign'); ?>"
         href="#tickets/mass/assign"><i class="icon-user"></i></a>
 </span>
 <div id="action-dropdown-assign" class="action-dropdown anchor-right">

include/staff/ticket-view.inc.php

@@ -74,7 +74,7 @@ if($ticket->isOverdue())
             } ?>
             <span class="action-button pull-right" data-placement="bottom" data-dropdown="#action-dropdown-print" data-toggle="tooltip" title="<?php echo __('Print'); ?>">
                 <i class="icon-caret-down pull-right"></i>
-                <a id="ticket-print" href="tickets.php?id=<?php echo $ticket->getId(); ?>&a=print"><i class="icon-print"></i></a>
+                <a id="ticket-print" aria-label="<?php echo __('Print'); ?>" href="tickets.php?id=<?php echo $ticket->getId(); ?>&a=print"><i class="icon-print"></i></a>
             </span>
             <div id="action-dropdown-print" class="action-dropdown anchor-right">
               <ul>