[Projekt: xRM-ContactManagement][TicketNr.: 1079904][Serienmail/Serienbrief - Darstellung in 360 Grad Ansicht]
- Added Bulkmail, SerialLetter and the sub contexts
    to the list of contexts, to achieve loading necessary
    data.
- Added fields ACTIVE, DATE_NEW, which are needed for loading
    data by 360Degree_entity
- Added and contentDescriptionProcess, to achieve that the
    content of the STATUS-field is displayed in 360Degree_entity
    as desc.