update minimal required server version to 3.10.0
update minimal required server version to 3.10.0

This is required to make sure that your server can handle group
permissions per MUCRoom.

guusdk/Openfire,speedy01/Openfire,Gugli/Openfire,igniterealtime/Openfire,speedy01/Openfire,GregDThomas/Openfire,guusdk/Openfire,speedy01/Openfire,Gugli/Openfire,guusdk/Openfire,speedy01/Openfire,igniterealtime/Openfire,Gugli/Openfire,speedy01/Openfire,GregDThomas/Openfire,akrherz/Openfire,akrherz/Openfire,GregDThomas/Openfire,guusdk/Openfire,GregDThomas/Openfire,igniterealtime/Openfire,akrherz/Openfire,igniterealtime/Openfire,GregDThomas/Openfire,guusdk/Openfire,akrherz/Openfire,akrherz/Openfire,Gugli/Openfire,igniterealtime/Openfire,Gugli/Openfire