Update mocked rvm unit test since we now call `cmd.run_all` instead of `cmd.retcode`.
Revert "Fix pip module for python 3"

This reverts commit 06ac67c84a1ab5b2182806fef0b201bb9373549e.
Re-implement 06ac67c84a the right way since the state `__env__` was being confused by the shell environment. Fixes #6129.
fix/feat: let the syndic be way more configurable

- Fix micmac between configs
- Add options to configure pidfile, logfile, masterofmaster port

This fixes #6024.