Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=57079
 Use Tomcat version number for jdbc-pool module when building and shipping the module as part of Tomcat.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1632425 13f79535-47bb-0310-9956-ffa450edef68