Bump postfix to 3.8.2 release.
Refresh patches and drop patch 502-detect-glibc.patch as it got merged
upstream.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Switched to HTTP from FTP for one of the mirrors.
Rebased Patches.
Removed ENGINES patch as it is only relevant for OpenSSL 1.0.2.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
