fixing the rapidsms.ini to use the proper custom django tag [customdjango] not [custom-django].
fixing the rapidsms.ini to use the proper custom django tag [customdjango]
not [custom-django].

Adding inline documentation of the tag to the .ini.

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