Implement Tls Tester

[binarymist]

• Remove depricated @hapi/good and implement similar functionality in hapiEventHandler.js
• Change casing to line-up with Definitions
• Add more logging and change levels
• Move hard coded timeouts and intervals to configuration (issue Move hard coded timeouts in app.parallel.js of app-scanner to config purpleteam#15)
• Remove the ability to specify Tester report formats, just provide them all.
• Tweak SUT validation
• Add custom PurpleTeam report styling
• Move module scoped members of app_scan_steps.js, zap.js and sut.js to an internals object
• Move app_scan_steps.js Zaproxy specific behaviour to zap.js

Checklist

• I have read the contributing guidelines
• I have read the documentation
• I have included a descriptive Pull Request title
• I have included a Pull Request description of my changes
• I have included tests where/when required (see contributing guidelines)
• I have included documentation modifications/additions where/when required (see contributing guidelines)

[binarymist]

This was part of purpleteam-labs/purpleteam#60