Special Update post-18.02.0

[paulakreuzer]

This is the random reboots fix Douwe mentioned here:

FP2 random reboots - see #rebootsguide for help

Hey all, I wanted to share some information with you that we got this week. As you might have noticed, some owners of newer Fairphone 2 phones are experiencing stability issues (i.e. The phone sometimes reboots on its own.) In most cases this issue causes the phone to reboot once per day (often while not in active use). A smaller number of phones are experiencing a higher rate of reboots. This issue affects mostly Fairphone 2’s sold after August 2017. We expect to deliver an extra software up…