prepare for release 3.2.1

RELEASE_NOTES.txt

+Release 3.2.1 (01/15/2020)
+=============================
+- DM GUI Changes:
+  - Reworked configuration options for DAQs and uploads; those now support
+    including/excluding file extensions  
+  - Fixed bug that was preventing usingconfiguration options and additional
+    keywords at the same time
+
 Release 3.2.0 (11/05/2019)
 =============================
 - Implemented ability to include or exclude file extensions for uploads and DAQs
@@ -14,7 +22,7 @@ Release 3.1.0 (10/25/2019)
 - Enabled URL scheme for transfer plugin configuration; this allows
   multiple gridftp hosts per deployment
 - Updated support software to allow offsite installation
-- DM GUI changes
+- DM GUI changes:
   - Add settings page
     - Allow user to specify refresh rates per module. 
     - Fixed protocol parsing bug