update
update
use TEXINPUTS
change tex to org file
slides for project presentation (need to fix dates)
fix colors and remove deprecated files
fix dates
updates
dev
Merge xgarrido's branch

Conflicts:
	lectures/Makefile
	slides/Makefile
	slides/slide_heritage_1.org
	slides/slide_heritage_2.org
	td/Makefile
suite du cours template + STL