Add LGPL license reference for laser_scan_matcher to be consistent with package.xml

Author: malban

LICENSE

@@ -5,7 +5,7 @@ laser_ortho_projector:
   - License: BSD-3-Clause
 
 laser_scan_matcher
-  - License: BSD-3-Clause
+  - License: BSD-3-Clause, LGPL
   - Note: The CSM dependency is LGPL-3.0 licensed and depends on either [GSL](https://www.gnu.org/software/gsl/), which is GPL-3.0 or [eigen](https://eigen.tuxfamily.org/), which is MPL-2.0, depending on the version of CSM.
 
 laser_scan_sparsifier:

README.md

@@ -11,7 +11,7 @@ Laser scan processing tools. The meta-package contains:
 
  * `laser_scan_matcher`: an incremental laser scan matcher, using Andrea Censi's Canonical 
 Scan Matcher (CSM) implementation [1].
-    - License: BSD-3-Clause
+    - License: BSD-3-Clause, LGPL
     - Note: CSM is LGPL-3.0 licensed and depends on either [GSL](https://www.gnu.org/software/gsl/), which is GPL-3.0 or [eigen](https://eigen.tuxfamily.org/), which is MPL-2.0, depending on the version of CSM.
 
  * `laser_scan_sparsifier`: takes in a LaserScan message and sparsifies it