add get_report function to report dispatcher. make arguments more explicit
add get_report function to report dispatcher. make arguments more explicit

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