updates to the sms billable models for clearer understanding of usage and better distinction between types of fees
updates to the sms billable models for clearer understanding of usage and better distinction between types of fees

puttarajubr/commcare-hq,dimagi/commcare-hq,gmimano/commcaretest,dimagi/commcare-hq,qedsoftware/commcare-hq,qedsoftware/commcare-hq,puttarajubr/commcare-hq,SEL-Columbia/commcare-hq,dimagi/commcare-hq,puttarajubr/commcare-hq,qedsoftware/commcare-hq,gmimano/commcaretest,qedsoftware/commcare-hq,puttarajubr/commcare-hq,gmimano/commcaretest,dimagi/commcare-hq,SEL-Columbia/commcare-hq,qedsoftware/commcare-hq,SEL-Columbia/commcare-hq,dimagi/commcare-hq