Fix issues highlighted by Yassine + add “Router optimization” work package.
Merge branch 'master' into fix-issues

Conflicts:
	MidtermReport/core.tex
	MidtermReport/datamodel.tex
Fix typo.
correct Gantt
Fix rendering of Gantt diagram.
Merge pull request #14 from ProjetPP/fix-issues

Fix issues highlighted by Yassine + add “Router optimization” work package