[prep-release-4.0.0] Update version numbers to 4.0.0-a1

Author: marc1706

build/build.xml

@@ -4,7 +4,7 @@
 	<!-- a few settings for the build -->
 	<property name="newversion" value="4.0.0-a1" />
 	<property name="prevversion" value="3.3.15" />
-	<property name="olderversions" value="3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.7-pl1, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.2.10, 3.2.11, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13, 3.3.14" />
+	<property name="olderversions" value="3.1.12, 3.2.11, 3.3.14" />
 	<!-- no configuration should be needed beyond this point -->
 
 	<property name="oldversions" value="${olderversions}, ${prevversion}" />