Updated WDC version error: - It now correctly warns that the simulator only supports 2.0 connectors and later. - Uses toastr error message in addition to log.
Updated WDC version error:
- It now correctly warns that the simulator only supports 2.0 connectors and later.
- Uses toastr error message in addition to log.

tableau/webdataconnector,Jurr32/wdc-test,RiversideCAPaulD/tableau-test,RiversideCAPaulD/tableau-test,jpherron/kbwdc,jpherron/kbwdc,tableau/webdataconnector,jpherron/kbwdc,Jurr32/wdc-test,RiversideCAPaulD/tableau-test,Jurr32/wdc-test