curl: follow redirection URLs with "-L" switch

Change-Id: I36faf70697877b9cf27ac9931ca8bc66e3cafd0b
Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>
Merge pull request #2 from Tarnyko/master

curl: follow redirection URLs with "-L" switch

merging as requested by @Tarnyko