debian: do not enable grizzly repository from gplhost

There is not reason to enable this additional repository anymore.
All the important packages are either in wheezy or wheezy-backports.

Change-Id: I47af16ba6b507fc929b0d2948c757f4060ba93a5
(cherry picked from commit 5420992a2cad4c0a23e436f5f416011f46c97ecd)
ceilometer compute agent not started correctly

command isn't properly parsed after switch to run_process. this
patch corrects the regression

Change-Id: Ib28d4bbf6f150854fc5aa04e3fa4eed92005ce19
Closes-Bug: #1370673
(cherry picked from commit bdeea69d726eca7a899b1d2225d213724b31df22)
Merge "ceilometer compute agent not started correctly" into stable/icehouse
Merge "debian: do not enable grizzly repository from gplhost" into stable/icehouse
set xml_api flag for Network tests

XML api support is being removed in Kilo, so we need to enable here to
ensure that the API is still tested in this stable release.

Change-Id: Iaf0cb93fda607c62911c57132eced14a33f94f97