Upgrade of www/interchange to 5.2.0

[Soeren Straarup]

Hi list

I was wondering is there one or more of you out there that would test this
patch before i send a PR?
http://xride.dk/pub/interchange.patch
Please first test in a test environment.

Best regards Søren Straarup

Soeren Straarup   | aka OZ2DAK aka Xride
FreeBSD wannabe   | FreeBSD since 2.2.6-R
    'We wanted to believe. But the tools
     had been taken away..' Mulder