mongodb packages are missing on some platforms, so we switch to a
manual install. Also gate the mongo call in cleanup
Change-Id: I1755e461c66be30da3db2a0994f908503c4c38ea
The ceilometer tests use an in-memory version of
MongoDB that uses spidermonkey for JavaScript
interpretation. spidermonkey, in turn, depends
on nspr and pkg-config.
Ceilometer also uses lxml, which wants libxml2-dev
and libxslt-dev.
bug 1115332
Change-Id: Ie2fca1203107b6397fa6babbef37dbaae7592373
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>