Upgraded to RMR 4.7.4 and some improvements

Signed-off-by: wahidw <abdulwahid.w@nokia.com>
Change-Id: Icbc120c35db37f68e6524bd998b127593b0e094a
diff --git a/RELNOTES b/RELNOTES
index dc34000..bfc5a93 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -1,3 +1,6 @@
+### v0.7.6
+* Upgraded to RMR 4.7.4 and some improvements 
+
 ### v0.7.5
 * Open RMR connection in a a new thread