October 31, 2010 
SoSly 
Calendar reminders the way they were meant to be. Have a meeting coming up, but still in the middle of working on something? Hit snooze and be sure you won’t forget about it. This extension adds a five minute snooze button to Calendar notifications.
Easy Install: Add http://theiphonespotrepo.net/apt to your cydia sources and install through iphonespot apps section
Deb for Manual Install: http://www.multiupload.com/CCOHLH4VT1
Changelog:
version 1.0.1-7:
- The snooze time can now be adjusted from the Settings page
Tags: 
Great idea, thanks!