Don't ignore bundled plugin paths

.gitignore

@@ -23,3 +23,15 @@
 /data/tmp/*
 /lib/tpl/*
 /lib/plugins/*
+!/lib/plugins/acl
+!/lib/plugins/config
+!/lib/plugins/info
+!/lib/plugins/plugin
+!/lib/plugins/popularity
+!/lib/plugins/revert
+!/lib/plugins/safefnrecode
+!/lib/plugins/usermanager
+!/lib/plugins/action.php
+!/lib/plugins/admin.php
+!/lib/plugins/index.html
+!/lib/plugins/syntax.php