[nim, MJ] Added test to confirm that sending an opt_out word causes the sender connection to be blacklisted both if the message is plain ASCII(English) or UNICODE(Arabic)
[nim, MJ] Added test to confirm that sending an opt_out word causes the sender connection to be blacklisted both if the message is plain ASCII(English) or UNICODE(Arabic)

unicefuganda/ureport,unicefuganda/ureport,mbanje/ureport_uganda,mbanje/ureport_uganda,unicefuganda/ureport