CAY-1882 Porting to OSGi environment

* OsgiModuleBuilder
* adding a way to register JDBC driver

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1544991 13f79535-47bb-0310-9956-ffa450edef68
CAY-1882 Porting to OSGi environment

making sure overdidden AOF is still injected everywhere

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1544993 13f79535-47bb-0310-9956-ffa450edef68