Fix YCM config
Fix YCM config

Previous config didn't handle the include/ vs src/ layout of project
sources. Now ycm config script computes the relative path between
include/ and a header location so it finds the matching .cpp file in
src/.

Manu343726/siplasplas,Manu343726/siplasplas,GueimUCM/siplasplas,Manu343726/siplasplas,GueimUCM/siplasplas,Manu343726/siplasplas,GueimUCM/siplasplas