Add Enolsoft CHM View latest version.
user
```ruby
class EnolsoftChmView < Cask
  version 'latest'
  sha256 :no_check

  url 'http://www.enolsoft.com/download/enolsoft-chm-view.dmg'
  homepage 'http://www.enolsoft.com/chm-view-for-mac.html'

  app 'Enolsoft CHM View.app'
end
```
assistant