Namespaces: add class in the global namespace in the upgrade guide
Namespaces: add class in the global namespace in the upgrade guide

carakas/forkcms,WouterSioen/forkcms,wengyulin/forkcms,vytsci/forkcms,Katrienvh/forkcms,jonasdekeukelaere/forkcms,mathiashelin/forkcms,matthiasmullie/forkcms,sumocoders/forkcms,jeroendesloovere/forkcms,justcarakas/forkcms,nosnickid/forkcms,riadvice/forkcms,Thijzer/forkcms,forkcms/forkcms,sumocoders/forkcms,nosnickid/forkcms,justcarakas/forkcms,riadvice/forkcms,vytsci/forkcms,jacob-v-dam/forkcms,jessedobbelaere/forkcms,carakas/forkcms,nosnickid/forkcms,vytsci/forkcms,jonasdekeukelaere/forkcms,jonasdekeukelaere/forkcms,WouterSioen/forkcms,bartdc/forkcms,matthiasmullie/forkcms,Thijzer/forkcms,Katrienvh/forkcms,jessedobbelaere/forkcms,dmoerman/forkcms,Katrienvh/forkcms,jeroendesloovere/forkcms,riadvice/forkcms,vytenizs/forkcms,mathiashelin/forkcms,carakas/forkcms,riadvice/forkcms,sumocoders/forkcms,Thijzer/forkcms,matthiasmullie/forkcms,forkcms/forkcms,carakas/forkcms,ikoene/forkcms,tommyvdv/forkcms,mathiashelin/forkcms,vytenizs/forkcms,sumocoders/forkcms,wengyulin/forkcms,bartdc/forkcms,Saxithon/gh-pages,jeroendesloovere/forkcms,sumocoders/forkcms,dmoerman/forkcms,forkcms/forkcms,tommyvdv/forkcms,wengyulin/forkcms,DegradationOfMankind/forkcms,mathiashelin/forkcms,jacob-v-dam/forkcms,DegradationOfMankind/forkcms,jacob-v-dam/forkcms,DegradationOfMankind/forkcms,jonasdekeukelaere/forkcms,DegradationOfMankind/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,jessedobbelaere/forkcms,Saxithon/gh-pages,forkcms/forkcms,ikoene/forkcms,jacob-v-dam/forkcms,tommyvdv/forkcms,Katrienvh/forkcms,bartdc/forkcms,vytenizs/forkcms,jeroendesloovere/forkcms,dmoerman/forkcms,justcarakas/forkcms,carakas/forkcms,ikoene/forkcms,tommyvdv/forkcms