Add january flock size to sensitivity script

Created by: Lars Dalby

Imported comments:

By Lars Dalby on 2018-06-22T13:16:11.167Z

mentioned in commit 12f59f2a

By Lars Dalby on 2018-06-22T13:16:11.084Z

closed via merge request !19

By Lars Dalby on 2018-06-22T13:16:05.204Z

mentioned in merge request !19

By Lars Dalby on 2018-06-22T13:05:29.304Z

created branch 31-add-january-flock-size-to-sensitivity-script

By Lars Dalby on 2018-02-21T14:57:34.017Z

added ~3117941 label

By Lars Dalby on 2018-02-21T14:57:31.686Z

assigned to @LDalby