Upgrade to RMR version 4.0.2

Bump version to 1.0.3 and add release notes
Add developer guide with guidance on bumping the version

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: If2fd64c1791c549c674c0779d58d2ac0d4cf1f72
diff --git a/Dockerfile-Unit-Test b/Dockerfile-Unit-Test
index d509c18..e3aa77f 100644
--- a/Dockerfile-Unit-Test
+++ b/Dockerfile-Unit-Test
@@ -19,8 +19,8 @@
 # sdl uses hiredis which needs gcc
 RUN apk update && apk add gcc musl-dev
 
-# copy rmr .so from builder image in lieu of an Alpine package
-COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:3.8.0 /usr/local/lib64/librmr_si.so /usr/local/lib64/librmr_si.so
+# copy rmr libraries from builder image in lieu of an Alpine package
+COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:4.0.2 /usr/local/lib64/librmr* /usr/local/lib64/
 
 # Upgrade pip, install tox
 RUN pip install --upgrade pip && pip install tox