Initial commit
Import more data
Merge branch 'master' of github.com:finnishtransportagency/digiroad2 into import_bus_stop_data_from_excel
Refactor
Change logic to do insert or update when inserting property values from Excel data
Update property and asset modified_date and modified_by columns when inserting new data
Update all assets with the same external_id.

Some bus stops on the opposite sides of the road appear to have the same external_id
Merge branch 'master' of github.com:finnishtransportagency/digiroad2 into import_bus_stop_data_from_excel
Merge pull request #146 from finnishtransportagency/import_bus_stop_data_from_excel

Import bus stop data from excel