FreeBSD Ports: bumping haproxy from v1.2.18 -> v1.4.x

Opening up a bit of discussion:

For those Freebsd port users out there, I'm looking to submit updates for the haproxy port to take it from it's current v1.2.18 to the new v1.4.x tree - Leapfrogging the v1.3.x tree (which is part of the haproxy-devel port).

Note: I'm _not_ looking to change the haproxy-devel port, which is currently part of the v1.3.x tree (v1.3.22 as of writing), and I believe is the port that most (all?) people are actually using.

Obviously sometime in the future haproxy-devel should be changed to reference the snapshot or rc/dev builds that might be unstable, but that's not what I'm touching.

Couple of benefits that I see of doing it this way:

• Current systems running haproxy-devel port are untouched.
• Less problems than pushing haproxy-devel to v1.4, and haproxy to v1.3, causing issues with config migrations for ports and software.
• This'll eventually bring haproxy[-devel] back into line with the ports mentality of the main port being considered the active/stable port, with any sub ports being "special cases".

Main problems I see:

• People running the current haproxy port (ie: v1.2.18) will have a big version bump to deal with.

Any thoughts/complaints/etc?

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