fix #1: search users by the number of messages
fix #1: search users by the number of messages

hsoft/slimbb,saifrahmed/DjangoBB,LLK/s2forums,hsoft/DjangoBB,hsoft/slimbb,hsoft/DjangoBB,tjvr/s2forums,hsoft/slimbb,agepoly/DjangoBB,rashoodkhan/DjangoBB,slav0nic/DjangoBB,LLK/s2forums,saifrahmed/DjangoBB,hsoft/DjangoBB,LLK/s2forums,saifrahmed/DjangoBB,slav0nic/DjangoBB,agepoly/DjangoBB,slav0nic/DjangoBB,agepoly/DjangoBB,tjvr/s2forums,tjvr/s2forums,rashoodkhan/DjangoBB