added copyright comment

R/Concordances.R

@@ -1,3 +1,23 @@
+#Copyright 2013 Heewon Jeon(madjakarta@gmail.com)
+#
+#This file is part of KoNLP.
+#
+#KoNLP 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.
+
+#KoNLP 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 KoNLP.  If not, see <http://www.gnu.org/licenses/>
+
+
+
+
 #' concordance for input text vector
 #' 
 #' returns concordance text for input pattern and span.