swift support

drop unused parts

run before swift-proxy

syntax; install the package

let openstack-ceilometer create the file structure

(cherry picked from commit 2647e6d88304739c280826384abb7d6b3ccfd116)
make ceilometer owner, allow group write (for swift)

(cherry picked from commit df49b59df733044f41b466753679a0af81554c1c)
ceilometer requires user rights

(cherry picked from commit a08311b326cda4ba6adbaa6133229560890f8231)
Merge pull request #84 from vuntz/swift-support

Sync with roxy