Add metrics to the framework

This change adds support for a metrics class which provides
the API allowing an xAPP to easily create and send a set of
measurements to a central collector for forwarding.

Issue-ID: RIC381

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I0926b26d4862df308ab0863260805fe057785bdc
diff --git a/examples/Makefile b/examples/Makefile
index a56760a..2c4ded5 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -22,9 +22,10 @@
 # variables are set to reference the needed files.
 
 %.o:: %.cpp %.hpp
-	g++ -g ${prereq%% *} -c 
+	g++ -g ${prereq%% *} -c
 
 % :: %.cpp
+	#C_INCLUDE_PATH=/tmp/usr/include:/usr/local/include g++ $< -g -o $@  -lricxfcpp -lrmr_si -lpthread -lm
 	g++ $< -g -o $@  -lricxfcpp -lrmr_si -lpthread -lm
 
 all:: xapp_t1 xapp_t2 rmr_dump