Updates to AUTHORS file for new contributors
Updates to AUTHORS file for new contributors

brennaman/PnP,jlsfernandez/PnP,IvanTheBearable/PnP,jlsfernandez/PnP,vman/PnP,brennaman/PnP,OneBitSoftware/PnP,IvanTheBearable/PnP,PaoloPia/PnP,russgove/PnP,brennaman/PnP,OfficeDev/PnP,OfficeDev/PnP,vman/PnP,jlsfernandez/PnP,OneBitSoftware/PnP,OfficeDev/PnP,OneBitSoftware/PnP,OneBitSoftware/PnP,IvanTheBearable/PnP,PaoloPia/PnP,russgove/PnP,russgove/PnP,OfficeDev/PnP,PaoloPia/PnP,vman/PnP,PaoloPia/PnP