update release notes

RELEASE_NOTES.txt

-Release 3.3.2 (05/??/2020)
+Release 3.3.2 (07/09/2020)
 =============================
 - Added ability to upload files from remote machines via rsync plugin and using
   ssh
@@ -6,13 +6,14 @@ Release 3.3.2 (05/??/2020)
 
 Release 3.3.1 (05/06/2020)
 =============================
-- 
+- Maintenance release
 
 Release 3.3.0 (05/04/2020)
-- Change log4j version from 1.2.7 to 2.13.2.  Code changes to adapt were
-   necessary.  Changed config file from log4j.properties to log4j2.xml
-- change jar file for postgresql from 9.3-1102.jdbc41 to 42.2.8.  The underlying 
-    postgresql in support changed from 9.3 to 9.6 a while ago.
+=============================
+- Change log4j version from 1.2.7 to 2.13.2. Code changes to adapt were
+  necessary. Changed config file from log4j.properties to log4j2.xml
+- Change jar file for postgresql from 9.3-1102.jdbc41 to 42.2.8.
+  The underlying postgresql in support changed from 9.3 to 9.6 a while ago.
 
 Release 3.2.2 (02/24/2020)
 =============================