Thamos

* Configure requirements format using env variables passed to build
* Respect review comments
* Regenerate client to reflect recent API schema changes
* Document environment variables that can be used
* Fix inconsistency in wait time printed

* Remove unused variable
* :pushpin: Automatic update of dependency click from 7.1.1 to 7.1.2
* Implement retry mechanism to avoid flakes
* Fix spelling
* Provide platform in Thoth's configuration file

* :pushpin: Automatic update of dependency thoth-python from 0.9.1 to 0.9.2
* Remove checks on files as they are in Thoth-python 0.9.2
* Add TODO
* Add explanation for ConfigurationError
* Add files
* Add check on advise_here
* Add check on requirements format if missing from config file
* Added missing docstring
* :pushpin: Automatic update of dependency urllib3 from 1.25.8 to 1.25.9
* Do not report exception if no configuration was found in the directory
* Update lockdown scenario
* :pushpin: Automatic update of dependency certifi from 2020.4.5 to 2020.4.5.1
* :pushpin: Automatic update of dependency certifi from 2019.11.28 to 2020.4.5
* Use RHEL 8
* Update runtime environment example
* No CentOS, use RHEL
* Update scoring example
* Add new line after each log line if structured logging is turned off
* Long description content type missing in setup.py

* Do not fail if obtaining origin fails
* :pushpin: Automatic update of dependency pyyaml from 3.13 to 5.3.1
* :pushpin: Automatic update of dependency distro from 1.4.0 to 1.5.0

* Update client to also include dev flag

* Introduce thamos advise with --dev switch
* Colorize logs comming from the cluster
* Parse JSON log produced in the cluster on `thamos log`
* Remove unused imports
* Version 0.8.3
* Pin pyyaml and setuptools for pip's resolver
* Fix requirements parsing in setup.py