Fixes for demo wget to work on Alpine Linux using latest download
Fixes for demo wget to work on Alpine Linux using latest download

Cherry-pick and squash of:
  Removed timestamping in wget, as busybox does not support it
  Signed-off-by: Ole Petter <ole.orhagen@northern.tech>
  (cherry picked from commit 5dfb1fd1531a12f0c28cf56f2b50a2ceb597e155)

  Explicitly name the file from wget
  Signed-off-by: Ole Petter <ole.orhagen@northern.tech>
  (cherry picked from commit 9c68012a67ce264ca47afdb7c149df0953085018)

Changelog: Title

Signed-off-by: Lluis Campos <9244cb41c39addfc5cf236920b776ea2820513d0@northern.tech>
Backported-by: Lluis Campos <9244cb41c39addfc5cf236920b776ea2820513d0@northern.tech>

pasinskim/integration,pasinskim/integration,pasinskim/integration