Upgade colorlog to 4.0.2

[fabaff]

Description:

Changelog: https://github.com/borntyping/python-colorlog/commits/master

Example entry for configuration.yaml (if applicable):

$ hass --script check_config
INFO:homeassistant.util.package:Attempting install of colorlog==4.0.2
Testing configuration at /home/fab/.homeassistant
ERROR:homeassistant.util.yaml:mapping values are not allowed here
  in "/home/test/.homeassistant/configuration.yaml", line 117, column 13
Failed config
  General Errors: 
    - Error loading /home/test/.homeassistant/configuration.yaml: mapping values are not allowed here
  in "/home/test/.homeassistant/configuration.yaml", line 117, column 13

Successful config (partial)

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.

[OttoWinter]

I've been using this version in esphomeyaml (with similar config checking code) successfully.