• update conflicts for new postfix-current
• use OPTIONS_SUB
• enable TLS as default [1]
• use USE_OPENSSL instead including Mk/openssl.mk
• use new install instruction
• use new notation for @mode in pkg-plist
• bump PORTREVISON

[1] Users using packages should have the ability to

use TLS from the default package, (this makes the
the postfix-tls port obsolete)

Approved by: sahil (implicit)
MFH: 2015Q1