otrtool package ready for review

[Dominik Muth <dominik.muth%gmx.de@localhost>]

I just committed the package "otrtool" to pkgsrc/wip. Comments and 
testing are very welcome!

>     otrtool: Import otrtool-1.2.0 as wip/otrtool.
>
>     otrtool aims to provide an open source tool to deal with otrkey-files from
>     onlinetvrecoder.com. At the moment it is able to decrypt them, in the
>     future a download manager and/or EPG could be added.
>
>     Note: This is free software, but you will need an onlinetvrecorder.com
>     account to make use of it.
>
>     This package has been confirmed working on NetBSD-7.0/amd64 and
>     Ubuntu-16.04-beta/amd64.