Merge pull request #6 from adoulrac/rachid/release1

Rachid/release1
Add of packageinfo
Merge branch 'master' of github.com:adoulrac/IHM into selim/packageinfo
Modif. welcome
packageinfo racine IHM
Launch groups from welcome
Merge pull request #7 from adoulrac/selim/packageinfo

Selim/packageinfo
replaceContent method switched to private