Add configuration option for limiting data recevied from sandboxes and document all sandbox application worker configuration parameters.
Add configuration option for limiting data recevied from sandboxes and document all sandbox application worker configuration parameters.

harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,harrissoerja/vumi,TouK/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,TouK/vumi,harrissoerja/vumi