mailmap: Dan Chai is unaffiliated

and name normalization

Reviewed-by: Dan Chai <tengweicai@gmail.com>
Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Christian Marie affiliation

and name normalization

Reviewed-by: Christian Marie <pingu@anchor.net.au>
Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Jonathan Dieter affiliation

Reviewed-by: Jonathan Dieter <jdieter@lesbg.com>
Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Alan Somers affiliation

Reviewed-by: Alan Somers <asomers@gmail.com>
Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: John Spray is with Inktank

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Simon Leinen is with SWITCH

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

and name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Andras Elso affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: anonymous contributions are unaffiliated

there only are a few of them

Signed-off-by: Loic Dachary <loic@dachary.org>