Added alt text to 'Hide' button for homepage information (Bug #1278198)

Change-Id: I777f99b788c290ac1de37ea127ab4883b27af959
Signed-off-by: Jono Mingard <jonom@catalyst.net.nz>

htdocs/lang/en.utf8/mahara.php

@@ -1033,7 +1033,7 @@ $string['theme'] = 'Theme';
 $string['choosetheme'] = 'Choose theme...';
 
 // Homepage info block
-$string['Hide'] = 'Hide';
+$string['Hide2'] = 'Hide information box';
 $string['createcollect'] = 'Create and collect';
 $string['createcollectsubtitle'] = 'Develop your portfolio';
 $string['updateprofile'] = 'Update your profile';

htdocs/theme/raw/templates/homeinfo.tpl

 <div id="home-info-container">
-            {if $USER->is_logged_in()}<div id="hideinfo" class="nojs-hidden-block"><a title="{str tag=Hide}"><img src="{theme_url filename='images/btn_close.png'}" alt="[x]" /></a></div>{/if}
+    {if $USER->is_logged_in()}
+        <div id="hideinfo" class="nojs-hidden-block">
+            <a href="#" title="{str tag=Hide2}">
+                <img src="{theme_url filename='images/btn_close.png'}" alt="{str tag=Close}" />
+            </a>
+        </div>
+    {/if}
 <table class="home-info-table{if $USER->is_logged_in()} loggedin{/if} fullwidth">
     <tr>
         <th class="home-info home-info-1">