Update release notes with closed issue

fd2cf470 · djarosz · 772e766a · fd2cf470
Commit fd2cf470 authored 5 years ago by djarosz
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
+Release 3.1.0
+=============================
+-DM GUI
+  - Add settings page
+    - Allow user to specify refresh rates per module. 
+
 Release 3.0.1 (08/09/2019)
 =============================
 - Fixed issue with unchecked additions to metadata catalog