added ipv6 patch from: http://www.greenie.net/ipv6/openvpn.html
move easy-rsa into subpkg and depend on openssl
update init.d and conf.d from latest gentoo release
added up/down scripts from latest gentoo release
ref #618
* Moved easy-rsa to /etc/openvpn
* Makes it easier to save certs etc.
* Recommended by upstream doc:
* http://openvpn.net/index.php/open-source/documentation/howto.html#pki
* Fixed permissions on easy-rsa files
* Fixed defunc init script
* Existed in source, but not in APKBUILD
* Changed configure to use iproute2 instead of ifconfig/route
* De-bashified the easy-rsa scripts