Пакет sisyphus_check: Информация

- 160-check-static: new check, disallows packages containing
  both .so symlinks and corresponding .a files.

- 220-check-python:
  + enhance the check whether python2 module packages have python3 requirements;
  + enhance the check whether python3 module packages have python2 requirements;
  + disallow packages containing both python2 and python3 modules;
  + disallow python/python3 module docs containing unrelated files.

- 220-check-python: no python module is permitted to require
  its test subpackage.