Update extra requirements (dependencies) in setup.py
Currently, there are versions which are outdated.
```python
extras_require={
'devel': [
'l18n==2018.5',
'pycountry==18.12.8',
'pytest==3.7.1',
'pycodestyle==2.5.0',
'pylint==2.3.1',
'pylint-quotes==0.2.1',
'foris-client @ git+https://gitlab.nic.cz/turris/foris-controller/foris-client@master#egg=foris-client',
'paho-mqtt==1.5.0',
],
'build': [
'Sphinx==2.1.2',
'sphinxcontrib-httpdomain==1.7.0',
],
},
```
Can you please update them and check if it works for you?
issue