Removing 5.3 from travis
Removing 5.3 from travis

wp-papi/papi,ekandreas/papi,isotopsweden/wp-papi,nlemoine/papi,ekandreas/papi,rasmusbe/papi,ekandreas/papi,wp-papi/papi,isotopsweden/wp-papi,wp-papi/papi,rasmusbe/papi,isotopsweden/wp-papi,rasmusbe/papi,nlemoine/papi,nlemoine/papi