Fix project.xml in the index.

jme3-core/nbproject/project.xml

@@ -34,7 +34,7 @@
                     <code-name-base>com.jme3.gde.project.testdata</code-name-base>
                     <run-dependency>
                         <release-version>1</release-version>
-                        <specification-version>3.3</specification-version>
+                        <specification-version>3.3.0</specification-version>
                     </run-dependency>
                 </dependency>
                 <dependency>