Description of problem:
when topic object is created with property 'alternate-exchange', the property is not reported by QMF, despite the fact that is actually working properly.

Version-Release number of selected component (if applicable):
qpid-cpp-*.0.22-29

How reproducible:
100%

Steps to Reproduce:
1. create topic object with alternate exchange
./qmf2_qpidt.py create topic tt exchange=amq.direct alternate-exchange=amq.fanout
2.checkout QMF
./qmf2_list_objects --query-data topic/tt | ipython
3. make subsription through the topic
./drain --connection-options "{protocol:'amqp1.0'}" -f 'tt'
4. list subsription queues
$ qpid-config queues

Actual results:
[2]
{'_create_ts': 1386784355447942294,
 '_delete_ts': 0,
 '_object_id': {'_agent_epoch': 1493,
                '_object_name': 'org.apache.qpid.broker:topic:tt'},
 '_schema_id': {'_class_name': 'topic',
                '_hash': '6182b36f-9f09-4118-2881-fb69e5355628',
                '_package_name': 'org.apache.qpid.broker',
                '_type': '_data'},
 '_update_ts': 1386784362608692199,
 'durable': False,
 'exchangeRef': {'_object_name': 'org.apache.qpid.broker:exchange:amq.direct'},
 'name': 'tt',
 'properties': {}}


[4]
Queue Name                                                                    Attributes
====================================================================================================
a00af501-3669-48c6-be30-e02fa08de8aa_tt_2ebf866a-b320-4e9d-8f79-d0b894af5267  auto-del excl --alternate-exchange=amq.fanout 
aef0d122-c0b9-49c4-804b-f54ba68aa6a3:0.0                                      auto-del excl 

Expected results:
the 
"'properties': {'alternate-exchange':'amq.fanout'}"
have to be reported by QMF

Additional info: