temporary release manager

[Simon Quigley]

> I approve once you get membership.

+1

I've worked with Walter on Lubuntu since July of 2015 (so more than a
year now) and he is an excellent release manager. If anyone should be
temporary release manager, it should be him. He is good at it and knows
what he is doing. :)

-- 
Simon Quigley
tsimonq2 at ubuntu.com
tsimonq2 on freenode and OFTC
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