Add API allowing xAPPs to send alarm messages

This change adds the ability for an xAPP to send alarms to
the alarm collector/manager via RMR messages.

This is a BREAKING change because the C++ framework classes
are all now wrapped in the xapp:: namespace.

Issue-ID: RIC-426

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I552292d57e987313ec684bd55f8780ef5fba74fe
diff --git a/docs/rel-notes.rst b/docs/rel-notes.rst
index 0be1017..935e799 100644
--- a/docs/rel-notes.rst
+++ b/docs/rel-notes.rst
@@ -1,3 +1,6 @@
+=============
+RELEASE NOTES
+=============
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 .. SPDX-License-Identifier: CC-BY-4.0
 ..
@@ -6,28 +9,31 @@
 .. Do NOT make changes directly to .rst or .md files.
 
 
-============================================================================================
-Release Notes
-============================================================================================
-
 
 C++ Framework Release Notes
 ===========================
-
 The following is a list of release highlights for the C++
 xAPP Framework.
 
+Cherry Release
+==============
+
+2020 July 17; version 2.0.0
+---------------------------
+Add alarm support.
+
+Add xapp namespace for Message, Msg_component, Alarm and Jhah
+objects. This is a BREAKING change and thus the major version
+number was bumped to 2.
+
 
 2020 June 29; version 1.2.0
 ---------------------------
-
 Add support for json parsing
 
 
-
 2020 June 26; version 1.1.0
 ---------------------------
-
 Change the port type in constructors to indicate "const"
 
 Version bump to 1.1.0 to allow patches to bronze code to
@@ -38,19 +44,14 @@
 Bronze Release
 ==============
 
-
-
 2020 April 28; version 1.0.0
 ----------------------------
-
 Bump version to force package build (old CI version added
 incorrect install prefix). Bump to 1.0.0 for release.
 
 
-
 2020 March 27; version 0.1.2
 ----------------------------
-
 Changes identified by sonar (missing copy/move builders)
 rmr_dump example programme Improvements to code for better
 test coverage