MDL-22054 converting block name strings to pluginname

AMOS START
 MOV [html,block_html],[pluginname,block_html]
AMOS END

blocks/html/block_html.php

@@ -3,7 +3,7 @@
 class block_html extends block_base {
 
     function init() {
-        $this->title = get_string('html', 'block_html');
+        $this->title = get_string('pluginname', 'block_html');
         $this->version = 2007101509;
     }