Revert to non-unicode characters for search buttons

 * Fixes #172

tpl/linklist.html

@@ -5,8 +5,8 @@
 <div id="pageheader">
     {include="page.header"}
     <div id="headerform" class="search">
-        <form method="GET" class="searchform" name="searchform"><input type="text" id="searchform_value" name="searchterm" placeholder="Search text" value=""> <input type="submit" value="🔍" class="bigbutton"></form>
-        <form method="GET" class="tagfilter" name="tagfilter"><input type="text" name="searchtags" id="tagfilter_value" placeholder="Filter by tag" value=""> <input type="submit" value="🔍" class="bigbutton"></form>
+        <form method="GET" class="searchform" name="searchform"><input type="text" id="searchform_value" name="searchterm" placeholder="Search text" value=""> <input type="submit" value="Search" class="bigbutton"></form>
+        <form method="GET" class="tagfilter" name="tagfilter"><input type="text" name="searchtags" id="tagfilter_value" placeholder="Filter by tag" value=""> <input type="submit" value="Search" class="bigbutton"></form>
     </div>
 </div>