* Friendly OS name for packaged zips
* Options to skip test and toolchain building
* Fix problems running on Windows

This makes our build scripts even more simpler. To build with autoupdate, run `go build -tags autoupdate`

Also fix a output typo in autoupdate which is never runs

* Prefer Ruby script to `gotask` script for packaging task
* Clean up Vagrant file
* Prefer `gox` to `goxc`