Added support for STRIP_FROM_INC_PATH Doxygen variable

[Yuri6037]

Fixes #137

[codecov]

Codecov Report

Merging #139 into master will decrease coverage by 0.04%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #139      +/-   ##
==========================================
- Coverage   98.01%   97.97%   -0.05%     
==========================================
  Files          27       27              
  Lines        6459     6464       +5     
  Branches       44       44              
==========================================
+ Hits         6331     6333       +2     
- Misses        128      131       +3     

Impacted Files	Coverage Δ
documentation/doxygen.py	99.04% <50.00%> (-0.15%)	⬇️

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