Added completiontotalduration field to attendanceregister table (with full upgrade process)
Added completiontotalduration field to backup/restore
Renamed field completiontotalduration to completiontotaldurationmins for consistence with used unit
Added configuration of completion conditions
Implementation of completion condition calculation and notification
Merge branch 'refs/heads/feature_7'
(Implemented feature #7)
Removed dead code for showing recalculate buttons in view page
Fixed completion on view implementation (issue #52)
Removed update-session-on-view feature, already disabled by default (issue #51)
Added "view own sessions" button, when a tracked user is viewing user list (feature #28)
Added a message if cron never ran on this module after instance creation (issue # 43)
Bump version to 2.4.3b (2013040606)