JZ: Add celery task wrapper & progress polling fx
JZ: Add celery task wrapper & progress polling fx

piqoni/onadata,smn/onadata,GeoODK/onadata,piqoni/onadata,GeoODK/onadata,GeoODK/onadata,spatialdev/onadata,spatialdev/onadata,sounay/flaminggo-test,spatialdev/onadata,qlands/onadata,qlands/onadata,hnjamba/onaclone,hnjamba/onaclone,spatialdev/onadata,smn/onadata,sounay/flaminggo-test,smn/onadata,hnjamba/onaclone,piqoni/onadata,GeoODK/onadata,qlands/onadata,smn/onadata,piqoni/onadata,sounay/flaminggo-test,hnjamba/onaclone,qlands/onadata,sounay/flaminggo-test