Stop using default SECRET_KEY and prepare 5.0.0 release

[gdubicki]

#721 #829

[gdubicki]

Thanks @bastelfreak, but let me fix the tests before we merge it.

[codecov]

Codecov Report

Patch coverage: 55.55% and project coverage change: -0.29% ⚠️

Comparison is base (c8366ec) 77.15% compared to head (f3233f6) 76.87%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #909      +/-   ##
==========================================
- Coverage   77.15%   76.87%   -0.29%     
==========================================
  Files          20       20              
  Lines        1309     1310       +1     
==========================================
- Hits         1010     1007       -3     
- Misses        299      303       +4     

Files Changed	Coverage Δ
puppetboard/app.py	82.85% <0.00%> (-1.43%)	⬇️
puppetboard/utils.py	90.32% <0.00%> (-3.16%)	⬇️
puppetboard/core.py	79.31% <100.00%> (ø)
puppetboard/default_settings.py	100.00% <100.00%> (ø)
puppetboard/docker_settings.py	100.00% <100.00%> (ø)
puppetboard/version.py	100.00% <100.00%> (ø)

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