Fix selected menu.
Regroup social network icons.
Reduce footer height.
Update kud's bio.
Add link on avatar.
Reword on manifesto.
Typos
Merge pull request #188 from Erwyn/patch-3

Typos
Fix tooltip on contributors avatars

Close #189
Add 'npm: choisir la bonne version de ses dépendances' and 'napa' posts