Add support for compiler cli (beside the http one)

[noandrea]

• I'm submitting a ...

  • [ ] bug report
  • [x] feature request
  • [ ] support request => Please do not submit support request here, see note at the top of this template.

• What is the current behavior?

only the http compiler can be accessed

• What is the expected behavior?

to be able to use also the command line compiler

• What is the motivation / use case for changing the behavior?

it is more suitable for server side contexts :

• better performance
• less components to maintain

• Please tell us about your environment:

  • SDK Version: v6.0.1
  • Python version: v3.7.0

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. forum, telegram, etc)