* Re-sync with Debian unstable.
* New upstream release:
  - Refreshed patches.
* Enabled Tomcat jdbc-pool module, aligning more closely to upstream and
  providing improved multi-threaded performance over commons-dbcp:
  - d/rules,d/libtomcat7-java.poms: Install tomcat-dbcp.jar file.
  - d/patches/0005-change-default-DBCP-factory-class.patch: Drop patch
    which switches the default DBCP factory to commons-dbcp.
  - d/NEWS: let users know about this change.