Fixes #296 typo transport labels
Fixes #309 set delay for listToursWithoutReport
Fixes #311 creation time tourguide report
Fixes #298 footer copyright year
Fixes #320 new layout for listToursWithoutReport
Fixes #166 warning by signup conflict
Fixes #319 notifications email improvements
Fixes #306 export total for seniors tourguide report
Fixes #323 export from to date range changed
Fixes #275 export tours enhancements
Fixes #246 default group for new tour
Fixes #288 email to tourguide in status dialog
Fixes 288 minor changes
fixes #296 merged development branch into integration
fixes #309 merged development branch into integration
closes #311 merged development branch into integration
closes #298 merged development branch into integration
closes #320 merged development branch into integration
closes #166 implemented conflict detection method
closes #306 merged development branch into integration