Renamed PropertiesDoc class to PropDoc
Added ExecutionEnvironment enum
Added PropertyStore
Updated dto's.

Added dtos without environment for cleaner use in the client
Add new finder to Mapper
Added new map method for new dtos.
Implemented data access
Created PropertyStoreReader
Renamed PropDoc to PropMap

Add more appropriate method for property lookup.

Move from dto package to vo package.
Updated Mapper for the new PropMap class
Added Spring nature and maven dependencies for testing
Added javax.inject
Implemented PropertyStore
PropertyStore testing
Implemented local PropertyStoreReader