Release 3.1.0 to go with XML Resolver 3.1.0

ndw · ndw · commit df69459d23c2 · 2021-09-15T16:02:12.000+01:00
diff --git a/gradle.properties b/gradle.properties
@@ -1,2 +1,2 @@
-relVersion=3.1.0-SNAPSHOT
+relVersion=3.1.0
 xmlresolverVersion=3.1.0
