session adds an activity
session adds an activity


Former-commit-id: 25c97d087b6e71e6a1240f0a0a9c8712413d9f41
cesine/iLanguage,vronvali/iLanguage,vronvali/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,iLanguage/iLanguage,iLanguage/iLanguage,cesine/iLanguage,vronvali/iLanguage,vronvali/iLanguage,cesine/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,cesine/iLanguage,iLanguage/iLanguage,cesine/iLanguage