OpenVPN v2.5_rc3 release

2020.10.15 -- Version 2.5_rc3
Arne Schwabe (2):
      Allow 'none' cipher being specified in --data-ciphers
      Add function for common env setting of verify user/pass calls

David Sommerseth (1):
      compat/lz4: Update to v1.9.2

Gert Doering (2):
      Fix redirecting of IPv4 default gateway if connecting over IPv6.
      Avoid passing NULL to argv_printf_cat() in temp_file error case.

Jan Seeger (1):
      Added 'route_ipv6_metric_NN' environment variable for IPv6 route metric.

Richard Bonhomme (1):
      Improve error msg when all TAP adapters are in use 'or disabled'

Steffan Karger (1):
      networking_iproute2: fix memory leak in net_iface_mtu_set()

Vladislav Grishenko (2):
      Selectively reformat too long lines
      Speedup TCP remote hosts connections
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