Add license info to example files

Change-Id: I0b4ef44bb6cc3ad55383a918949a1e2f744c2dbe
Signed-off-by: E. Scott Daniels <daniels@research.att.com>
diff --git a/examples/Makefile b/examples/Makefile
index 6314ea3..d44ee37 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,3 +1,21 @@
+#==================================================================================
+#    Copyright (c) 2019 Nokia
+#    Copyright (c) 2018-2019 AT&T Intellectual Property.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#==================================================================================
+#
+
 # The demo programmes assume that RMr (along with nng) is installed
 # It may be necessary to set LD_LIBRARY_PATH=/usr/local/lib
 
@@ -6,9 +24,9 @@
 all: sender receiver
 
 receiver: receiver.c
-        gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
+	gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
 
 sender: sender.c
-        gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
+	gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
 
 
diff --git a/examples/receiver.c b/examples/receiver.c
index c78c710..1808f33 100644
--- a/examples/receiver.c
+++ b/examples/receiver.c
@@ -1,5 +1,24 @@
 // :vim ts=4 sw=4 noet:
 /*
+==================================================================================
+    Copyright (c) 2019 Nokia
+    Copyright (c) 2018-2019 AT&T Intellectual Property.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================================
+*/
+
+/*
 	Mnemonic:	rmr_rcvr.c
 	Abstract:	This is a very simple receiver that does nothing but listen
 				for messages and write stats every so often to the tty.
diff --git a/examples/sender.c b/examples/sender.c
index 0fa5343..25bba73 100644
--- a/examples/sender.c
+++ b/examples/sender.c
@@ -1,4 +1,22 @@
 // :vim ts=4 sw=4 noet:
+/*
+==================================================================================
+    Copyright (c) 2019 Nokia
+    Copyright (c) 2018-2019 AT&T Intellectual Property.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================================
+*/
 
 /*
 	Mnemonic:	sender.c