DM 3.0.0 RC 4.1: Minor fixes

[NiclasScheiber]

• Removed duplicate properties from deprecated Company Branch object
• Renamed "locationOfPerformance" and "loactionOfCreation" to "performedAtLocation" and "createdAtLocation" for consistency
• Renamed "forBookingOptions" to "forBookingOption" for consistency
• Addded "resultOfCheck" and "usedInCheck" properties as backlinks from CheckTotalResult and CheckTemplate to Check
• Fixed "describedByProduct" Property in Item LO

Logical Data Model and Superclass Structure Diagrams are up-to-date in Miro