bump library version to nifty-0.9.31

Author: stephengold

common.gradle

@@ -12,7 +12,7 @@ ext {
     heartCoordinates = 'com.github.stephengold:Heart:8.2.0'
 
     // current versions of libraries:
-    jme3utilitiesniftyVersion = '0.9.31-SNAPSHOT'
+    jme3utilitiesniftyVersion = '0.9.31'
     jme3utilitiesxVersion = '0.3.2-SNAPSHOT'
     jme3Version = '3.5.2-stable'
 }

nifty/release-notes.md

@@ -1,8 +1,13 @@
 # release log for the jme3-utilities-nifty library and related tests
 
+## Version 0.9.31 released on TBD
+
++ Bugfix: `DsScreen` flicker when started in fullscreen mode.
++ Base on version 8.2.0 of the Heart library and version 0.9.17 of Acorus.
+
 ## Version 0.9.30 released on 24 June 2022
 
-+ Base on version 8.0.0 of the Heart library, and version 0.9.16 of Acorus.
++ Base on version 8.0.0 of the Heart library and version 0.9.16 of Acorus.
 + Add the "checkstyle" plugin to the build.
 
 ## Version 0.9.29 released on 3 May 2022

nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java

@@ -60,6 +60,6 @@ private LibraryVersion() {
      * @return branch and revision (not null, not empty)
      */
     public static String versionShort() {
-        return "master 0.9.31-SNAPSHOT";
+        return "master 0.9.31";
     }
 }