Create openSUSE packages for python dependencies

[jayvdb]

Python 3 packages are needed for

Core deps:

• coala_utils
• dependency_management
• PyPrint
• libclang-py3
• [ ] unidiff
• [ ] gemfileparser

Bear deps:

• [ ] docutils-ast-writer
• [ ] guess-language-spirit
• [ ] language-check
• memento_client
• [ ] docutils-ast-writer

Linters

• apertium_lint
• [ ] cmakelint
• [ ] dennis
• [ ] mypy-lang
• [ ] pyroma
• [ ] restructuredtext_lint

Test deps:

• [ ] codecov
• [ ] coverage-env-plugin & coverage-config-reload-plugin
• [ ] pytest-env
• [ ] pytest-error-for-skips
• [ ] pytest-instafail
• [ ] pytest-reorder
• [ ] pytest-reqs