Refactor prettyTime.parseSeconds to support different day/week lengths

The following discussion from !1610 (merged) should be addressed:

• @to1ne started a discussion: (+4 comments)

  @stanhu I think we should avoid parseSeconds, because it is built for 8h/day & 5d/week calculations: https://gitlab.com/gitlab-org/gitlab-ee/blob/master/app/assets/javascripts/lib/utils/pretty_time.js#L16-17

  Maybe you can fit the fix in together with !2681 (merged)?

marked the checklist item @to1ne started a discussion: (+4 comments) as completed

Thanks @brycepj for creating this issue and building the change.

Although I'm going to reopen this issue for now, because the call to parseSeconds still should be modified to pass 7, 24.

reopened

assigned to @to1ne and unassigned @brycepj

closed via merge request !2806 (merged)

mentioned in commit 272abb33

reopened

mentioned in merge request !2833 (merged)

added In review label

mentioned in commit 5ee0039e

closed via merge request !2833 (merged)

mentioned in commit d3ccb4d4