update readme

readme.md

@@ -5,6 +5,11 @@ where the message file is, and gets back a scan result... all in simple XML.
 
 # Changelog / Journal
 
+## 20200618_M
+- Cleaned up all warnings in the build with the latest g++
+- Added SOP for installing the latest g++ in ubuntu
+- Added SOP for upgrading libstdc++6 on target ubuntus
+
 ## 20200617_M
 - Set up the readme.md file
 - Set up basic build structures for "the new way" of making all things SNF.