Description of problem:
Empty cartridge properties are shown while using rhc cartridge status as below:

# rhc cartridge status postgresql-8.4 -a php1
Password: *

--DEBUG--

--RESULT--
PostgreSQL server instance is running

--MESSAGE--

--ERROR--

--APP INFO--

--CART COMMANDS--

--CART PROPERTIES--
{}
--DATA--

--EXIT CODE--
0


Version-Release number of selected component (if applicable):
fork_ami_US2597_US2599_US2813_US2817_US2872_172 (ami-735fed1a)

How reproducible:
always

Steps to Reproduce:
1.Create an app
2.Add cartridge to this app:
rhc cartridge add postgresql-8.1 -a php1 -p xx
3.Check cartridge staus:
# rhc cartridge status postgresql-8.4 -a php1
  
Actual results:
Cartridge properties are empty as below:
# rhc cartridge status postgresql-8.4 -a php1
Password: *

--DEBUG--

--RESULT--
PostgreSQL server instance is running

--MESSAGE--

--ERROR--

--APP INFO--

--CART COMMANDS--

--CART PROPERTIES--
{}
--DATA--

--EXIT CODE--
0


Expected results:
Useful cartridge properties are shown in "{ }" or CART PROPERTIES is hidden instead of an empty "{ }".


Additional info: