This removes all CoffeeScript in favor of JavaScript and EM6 module. Actually add AppX support. Improve Linux support. Improve test coverage.

API breakage: to better support extra arguments to be added at launch and to better structure the options, the API is changed. While it should still support the old options, I may have missed some cases.

What's Changed

• Decaffeinate, add new features and possible API breakage by @Oxalin in https://github.com/Teamwork/node-auto-launch/pull/126
• Decaffeinate by @4ver in https://github.com/Teamwork/node-auto-launch/pull/127

Full Changelog: https://github.com/Teamwork/node-auto-launch/compare/6.0.0-rc1...6.0.0-rc2