Makes it all compile nicely. Added db-util sources (that are included in Openfire as a JAR). Note that we need a Java 1.6 compiler to compile - a 1.7 compiler won't work because of java.sql extensions in db-utils.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/branches/maven-externalsbased@13066 b35dd754-fafc-0310-a699-88a17e54d16e