DEPL-6924: Set default values on objects created with DeployitDescriptorRegistry.newInstance.
DEPL-6949: add properties required by the DarPackager/ManifestWriter even if they don't exist on XLD
Upgraded dependencies to XLD 4.5.1.
Added nicer error messages to DeployCommand.
DEPL-4899: Introduced RemotePropertyDescriptor shadow class that has support for hidden properties.
DEPL-6974: PreemptiveAuthenticationInterceptor marked as serializable.
DEPL-6974: Removed SlaveRemoteDescriptorRegistry - plugin now uses DeployitServer.getDescriptorRegistry() to initialize remote booter.
Added note how to debug jenkins slave.
DEPL-5521: Support properties with values that may span several lines.