Add arm-raspbian as a platform

[ThadHouse]

arm-raspbian is one of the artifacts provided on the maven repo now. The regular armhf builds work on every armhf v7 device I could test excluding the Raspberry Pi running raspbian. On that platform, it required a custom build to work, which is why the artifact is there. Since the platform is detected code in this repo, it isn't to hard to detect. In my C# code, I just checked the release file provided by the os, and if it contained raspbian switched to the raspbian build.