bug resolution
comment group methods
remotes and navigation still synchronized when user leaves
modified fixtures
Merge branch 'expo_light' of https://github.com/ExpoTeam/expo into expo_light
Merge branch 'expo_light' of https://github.com/ExpoTeam/expo into expo_light
resolve bugs on error message
Merge branch 'expo_light' of https://github.com/ExpoTeam/expo into expo_light
Merge branch 'expo_light' of https://github.com/ExpoTeam/expo into expo_light_guillaume
code cleaning