Added after_success in TravisCI config to send coverage data to Codecov
Added after_success in TravisCI config to send coverage data to Codecov

2DV603NordVisaProject/nordvisa_calendar,2DV603NordVisaProject/nordvisa_calendar,2DV603NordVisaProject/nordvisa_calendar,2DV603NordVisaProject/nordvisa_calendar