Make bootstrap css url configurable.

[ralphbean]

No description provided.

[codecov-io]

Codecov Report

Merging #202 into develop will decrease coverage by 0.02%.
The diff coverage is 0%.

@@             Coverage Diff             @@
##           develop     #202      +/-   ##
===========================================
- Coverage    42.69%   42.67%   -0.03%     
===========================================
  Files           69       69              
  Lines         3766     3768       +2     
  Branches       481      481              
===========================================
  Hits          1608     1608              
- Misses        2104     2106       +2     
  Partials        54       54

Impacted Files	Coverage Δ
fmn/web/app.py	0% <0%> (ø)	⬆️

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[jeremycline]

Looks good. I guess this function has no tests :(