Needed to manage https certificates and authentication whenever
needed.

Change-Id: If20b85a9b349b203a8c46d453afa823629d114cb
Reviewed-on: https://gerrit.libreoffice.org/27927Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Giuseppe Castagno <giuseppe.castagno@acca-esse.eu>