mailmap: cholcombe973 (Chris Holcombe) affiliation
mailmap: Ning Yao affiliation

Signed-off-by: Yann Dupont <yann@objoo.org>
mailmap: Christos Stavrakakis affiliation

Signed-off-by: Yann Dupont <yann@objoo.org>
mailmap: Alfredo Deza affiliation : Fix Typo

Signed-off-by: Yann Dupont <yann@objoo.org>
Merge branch 'master' of https://github.com/objoo/ceph