Clarify license terms on new files.

Makefile.am

@@ -1,3 +1,20 @@
+# This file is part of MiniDLNA.
+#
+# MiniDLNA is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# MiniDLNA 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 Lesser General Public
+# License along with MiniDLNA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA.
+
 AM_CFLAGS = -Wall -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 @STATIC_CFLAGS@
 
 SUBDIRS=po