The project space notification system is enhanced with : 
- The addition of a new service to manage notification preferences at email. 
 
This service lets you configure the frequency of notifications (each new activity, daily, weekly, monthly). 
A specific setting can be defined for each project. 

- The addition of a mail containing all the events that have occurred over the day, week or month, depending on notification preferences. 
 

- Notification emails have a new template HTML
 
