Change server url to https://docker.mender.io
Change server url to https://docker.mender.io

Signed-off-by: Maciej Mrowiec <0c5b7bd73e5de492f16f5039ef275802502d5ce2@gmail.com>

bboozzoo/meta-mender,bboozzoo/meta-mender,bboozzoo/meta-mender,bboozzoo/meta-mender