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.

It is backport of r1632425 from tomcat/trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1633478 13f79535-47bb-0310-9956-ffa450edef68
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=57079
When Eclipse Compiler JAR is updated, make sure to delete its old version from Tomcat lib directory.

It is backport of r1606114 from tomcat/trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1633484 13f79535-47bb-0310-9956-ffa450edef68