Update LICENSE.md

Author: yeesian

LICENSE.md

@@ -1,4 +1,4 @@
-Copyright (c) 2015: Fabian Gans, Ng Yee Sian
+Copyright (c) 2015: Fabian Gans, Sean Garborg, Ng Yee Sian
 
 The LibGEOS module is licensed under the **[LGPL]** version 3:
 
@@ -11,4 +11,4 @@ The LibGEOS module is licensed under the **[LGPL]** version 3:
     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.
+    GNU General Public License for more details.