mailmap: Cheng Cheng name normalization

Reviewed-by: Cheng Cheng <ccheng.leo@gmail.com>
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Greg Farnum name normalization

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Ilya Dryomov transition from Inktank to Red Hat

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Yann Dupont affiliation

Reviewed-by: Yann Dupont <yann@objoo.org>
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: VRan Liu affiliation

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Mehdi Abaakouk affiliation

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Jiantao He affiliation

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Wyllys Ingersoll affiliation

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Ma Jianpeng name normalization

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
mailmap: Jiantao He name normalization

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
Merge pull request #2753 from dachary/wip-mailmap

mailmap updates