Finalisation of the Alarm API and development. Alarm can now do everything there were meant to be. Sense problems through activities, report problems in a nice way, and solve problems. They can be used as a simple cron but not only.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18563 20353a03-c40f-0410-a6d1-a30d3c3de9de