Bug 429542 - CBI Build: Create Release Builds

https://bugs.eclipse.org/bugs/show_bug.cgi?id=429542

Add property scout.build.version.

Change-Id: I8737ab064b83846aa6bae8dd9be2946704326df6
Reviewed-on: https://git.eclipse.org/r/22874
Reviewed-by: Ken Lee <kle@bsiag.com>
IP-Clean: Ken Lee <kle@bsiag.com>
Tested-by: Ken Lee <kle@bsiag.com>
diff --git a/pom.xml b/pom.xml
index 5470a34..781a482 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,6 +79,7 @@
       <id>prepare-release</id>
       <properties>
         <milestone.version>I</milestone.version>
+        <scout.build.version>${scout.base.version}.${maven.build.timestamp}-${milestone.version}</scout.build.version>
       </properties>
       <activation>
         <activeByDefault>false</activeByDefault>
@@ -96,7 +97,7 @@
                   <goal>set-version</goal>
                 </goals>
                 <configuration>
-                  <newVersion>${scout.base.version}.${maven.build.timestamp}-${milestone.version}</newVersion>
+                  <newVersion>${scout.build.version}</newVersion>
                 </configuration>
                 <phase>validate</phase>
               </execution>