Thread:Support/Add Tucano (tuo), Baniwa (bwi)

Please add the following two languages, as native speakers will likely come within some time (see the request for more info): Set Portuguese (pt-br) for both as fallback/helper language.
 * code 'tuo', autonym: 'tukano' (with 'k')
 * code 'bwi', autnoym: 'baniwa'