[SPRINT 2] Flashmessages
[TASK] Set up entities
[TASK] Default Configutaion set up
[TASK] Set up Navigation
[TASK] Set up header data in view
[TASK] Changed Type of EventDate from Zend\DateTime to \DateTime
[TASK] Get EventDate in string  format
[TASK] Attribute Properties inserted Getter/Setter
[TASK] Entity for Properties <> Guests
[TASK] Entity for Properties
[TASK] Included Importer Module
[TASK] Added Comments
[UPDATE] Updated Navigation
[TASK] PropertyInterface initialised
[TASK] Impiorter Module initialised
[TASK] Added vendor libraries
[UPDATE] Updated gitignore insert data / cache files
[UPDATE] Updated composer