Fix trapezoidal integration

At the moment, the initial clock offsets is not taken into account in the trapezoidal integration of the local timer deviations.

added bug label

created merge request !90 (merged) to address this issue

mentioned in merge request !90 (merged)

changed milestone to %v1.0.3

Oh, that's a good one! Thanks @Nik!

I pushed it for v1.0.3, so it's out very quickly.

perfect, thanks @j2b.bayle

closed with merge request !90 (merged)

mentioned in commit 6ca40481