[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 49607e: Use `after_build` instead of `before_deploy`

[GitHub]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 49607e0f439a0759943922757c7d9a7f1d028268
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/49607e0f439a0759943922757c7d9a7f1d028268
  Author: Fabio Niephaus <code at fniephaus.com>
  Date:   2018-01-25 (Thu, 25 Jan 2018)

  Changed paths:
    M .appveyor.yml

  Log Message:
  -----------
  Use `after_build` instead of `before_deploy`

Also, use `build` instead of `test` phase when building the VM.