update oslo libraries

Change-Id: I7eb0adfbb6bc86157c3e3b969c00099dd8cfe315
Related-Bug: #1227495
add cliutils from oslo-incubator

Change-Id: I3122b62ebf87354340e971f7cb58f67045fbcfef
Related-Bug: #1227495
Fix order of sample list

Samples of "ceilometer sample-list" are sorted by Resource ID and
Volume.
Expected order is Timestamp.

This pache fixes this problem.

Change-Id: I338014e5868b2176a3afd549e13d0dd6118b3ac1
Closes-Bug: #1227495