Revdate test.

src/docs/asciidoc/jme3/requirements.adoc

@@ -1,6 +1,5 @@
 = jMonkeyEngine3 Requirements
-:revnumber: 2.4
-:revdate:
+:revnumber: 2.5
 :relfileprefix: ../
 :imagesdir: ..
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]