Bump i18next@3.3.1, i18next-xhr-backend@0.6.0
Bump i18next@3.3.1, i18next-xhr-backend@0.6.0

kodujdlapolski/streetmix,codeforamerica/streetmix,codeforamerica/streetmix,codeforamerica/streetmix,kodujdlapolski/streetmix,magul/streetmix,kodujdlapolski/streetmix,magul/streetmix,magul/streetmix