minor, really check downloading status of tzmap files, don't break the build, proceed with dummy

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
chore, add drone config file

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'bld/dist'

* bld/dist:
  minor, really check downloading status of tzmap files, don't break the build, proceed with dummy
Merge branch 'bld/drone'

* bld/drone:
  chore, add drone config file