Change license to GPLv3+ also in README file

plugins/password/README

@@ -1,26 +1,24 @@
  -----------------------------------------------------------------------
  Password Plugin for Roundcube
  -----------------------------------------------------------------------
-
  Plugin that adds a possibility to change user password using many
  methods (drivers) via Settings/Password tab.
-
  -----------------------------------------------------------------------
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2
- as published by the Free Software Foundation.
+ 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 3 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
+ 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, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see http://www.gnu.org/licenses/.
 
  @version @package_version@
- @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl>
+ @author Aleksander Machniak <alec@alec.pl>
  @author <see driver files for driver authors>
  -----------------------------------------------------------------------