Fix [JBJCA-915] Activation of connector 1.5 archive doesn't happen, when ironjacamar.xml doesn't contain class-names
Allow null value for default slot
Only log failed attempts to unregister
Add a LeakDumperManagedConnectionPool
[JBJCA-1047] [JBJCA-1048] [JBJCA-1049] Narayana 5.0.0.M3
Add WARNs for invalid capacity policies