Properly expose JCA pool properties

[INFO] {
[INFO]     "operation" => "add",
[INFO]     "address" => [
[INFO]         ("subsystem" => "jca"),
[INFO]         ("workmanager" => "default"),
[INFO]         ("short-running-threads" => "default-short-running-threads"),
[INFO]         ("properties" => "property_name")
[INFO]     ],
[INFO]     "value" => "property_value",
[INFO]     "boot-time" => false
[INFO] }
[ERROR] 2011-12-01 16:09:13,299 [ERROR] On Thu Dec 01 16:09:13 CET 2011, MessageCenter received Failed: Create property property_name
[ERROR] 2011-12-01 16:09:13,300 [ERROR] Message{conciseMessage='Failed: Create property property_name', detailedMessage='{
[ERROR]     "outcome" => "failed",
[ERROR]     "failure-description" => "JBAS014739: No handler for add at address [
[ERROR]     (\"subsystem\" => \"jca\"),
[ERROR]     (\"workmanager\" => \"default\"),
[ERROR]     (\"short-running-threads\" => \"default-short-running-threads\"),
[ERROR]     (\"properties\" => \"property_name\")
[ERROR] ]",
[ERROR]     "rolled-back" => true,
[ERROR]     "response-headers" => {"process-state" => "reload-required"}
[ERROR] }', fired=Thu Dec 01 16:09:13 CET 2011, severity=Error, options=[]}