Fix list of possible trove instnace status choices

The current list of available status choices for a
trove instance is out of date.

Updated the list with the latest information from
the trove runtime

Change-Id: I32833837980415f922964896a3ac4ba74147e72e
Closes-Bug: #1356577
Merge branch 'aug2014-demo' of https://github.com/Tesora/tesora-horizon into aug2014-demo