beorn7 a7408bfb47 Unify duration parsing
It's actually happening in several places (and for flags, we use the
standard Go time.Duration...). This at least reduces all our
home-grown parsing to one place (in model).
2016-01-29 15:41:50 +01:00
..
2015-11-30 18:41:48 +01:00
2015-11-02 14:55:24 +01:00
2016-01-29 15:41:50 +01:00
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