Add Go Panda (Client for Pandanet - The Internet Go Server)
user
```ruby
class Gopanda < Cask
  url 'http://pandanet-igs.com/gopanda2/installer/stable/mac-32/gopanda2-mac-32.zip'
  homepage 'http://pandanet-igs.com/communities/gopanda2'
  version 'latest'
  no_checksum
  link 'GoPanda2.app'
end
```
assistant