Qual: Removed not used file

Qual: Update licence header

htdocs/core/js/lib_rare.js

@@ -1,10 +1,23 @@
 // Copyright (C) 2009 Laurent Destailleur  <eldy@users.sourceforge.net>
 //
-// Script javascript that contains functions not frequently used
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// or see http://www.gnu.org/
+
 //
 // \file       htdocs/core/js/lib_rare.js
 // \brief      File that include javascript functions not frequently used (included if option use_javascript activated)
-
+//
 
 // in [-]HH:MM format...
 // won't yet work with non-even tzs