changing files and blogs to my files and my blogs in navigation

htdocs/artefact/blog/lib.php

@@ -51,7 +51,7 @@ class PluginArtefactBlog extends PluginArtefact {
             array(
                 'path'   => 'myportfolio/blogs',
                 'url'    => 'artefact/blog/',
-                'title'  => get_string('blogs', 'artefact.blog'),
+                'title'  => get_string('myblogs', 'artefact.blog'),
                 'weight' => 30,
             ),
         );

htdocs/artefact/file/lib.php

@@ -49,7 +49,7 @@ class PluginArtefactFile extends PluginArtefact {
             array(
                 'path' => 'myportfolio/files',
                 'url' => 'artefact/file/',
-                'title' => get_string('files', 'artefact.file'),
+                'title' => get_string('myfiles', 'artefact.file'),
                 'weight' => 20,
             ),
         );