Merge tag 'tags/v2.3.4' into se-release/2.3.4

OpenVPN 2.3.4

2014.04.30 -- Version 2.3.4
Arne Schwabe (1):
      Fix man page and OSCP script: tls_serial_{n} is decimal

Dmitrij Tejblum (1):
      Fix is_ipv6 in case of tap interface.

Gert Doering (7):
      IPv6 address/route delete fix for Win8
      Add SSL library version reporting.
      Minor t_client.sh cleanups
      Repair --multihome on FreeBSD for IPv4 sockets.
      Rewrite manpage section about --multihome
      More IPv6-related updates to the openvpn man page.
      Conditionalize calls to print_default_gateway on !ENABLE_SMALL

James Yonan (2):
      Use native strtoull() with MSVC 2013.
      When tls-version-min is unspecified, revert to original versioning approach.

Steffan Karger (4):
      Change signedness of hash in x509_get_sha1_hash(), fixes compiler warning.
      Fix OCSP_check.sh to also use decimal for stdout verification.
      Fix build system to accept non-system crypto library locations for plugins.
      Make serial env exporting consistent amongst OpenSSL and PolarSSL builds.

Yawning Angel (1):
      Fix SOCKSv5 method selection

kangsterizer (1):
      Fix typo in sample build script to use LDFLAGS
Merge branch 'se-release/2.3.4' of https://github.com/SurfEasy/openvpn into se-release/2.3.4