DOC: fix licence terms and copyright in NOTICE.txt

NOTICE.txt

 Line Segment Detector (CMLA Algorithm)
 Remote module for OTB
+Copyright (C) 2018 Centre National d'Etudes Spatiales (CNES)
 
-Copyright (c) 2007-2011 rafael grompone von gioi <grompone@gmail.com>
-Copyright 2018 CNES
+This remote module is licensed under GNU Affrero General Public License
 
-This program contains source code licensed under GNU Affrero General Public License : 
+The following files have the following copyright : 2007-2011 rafael grompone von gioi <grompone@gmail.com>
 - include/lsd.h
 - src/lsd.c
 
-The overall remote module is licensed under ...

app/otbLSDCMLA.cxx

 /*
- * Copyright (c) 2007-2011 rafael grompone von gioi <grompone@gmail.com>
  * Copyright (C) 2018 Centre National d'Etudes Spatiales (CNES)
  *
  * This file is part a Remote Module for Orfeo Toolbox