explicitly test PLAIN and DIGEST-MD5 in server
explicitly test PLAIN and DIGEST-MD5 in server

ycsoft/qxmpp,LightZam/qxmpp,trulabs/qxmpp-old,Ilyatk/qxmpp,gamenet/qxmpp_old,cccco/qxmpp,gamenet/qxmpp,gamenet/qxmpp_old,projedi/qxmpp-ffmpeg,pol51/QXMPP-CMake,cccco/qxmpp,Ilyatk/qxmpp,gotomypc/qxmpp,gamenet/qxmpp,Ilyatk/qxmpp,deepak899/qxmpp,pol51/QXMPP-CMake,unisontech/qxmpp,projedi/qxmpp-ffmpeg,kollix/qxmpp,gotomypc/qxmpp,ycsoft/qxmpp,gamenet/qxmpp,unisontech/qxmpp,pol51/QXMPP-CMake,Kaffeine/qxmpp,ycsoft/qxmpp,gotomypc/qxmpp,LightZam/qxmpp,trulabs/qxmpp-old,kollix/qxmpp,deepak899/qxmpp,cccco/qxmpp,Kaffeine/qxmpp,olesalscheider/qxmpp,KangLin/qxmpp,deepak899/qxmpp,KangLin/qxmpp,olesalscheider/qxmpp,LightZam/qxmpp,trulabs/qxmpp-old,gamenet/qxmpp_old,unisontech/qxmpp,kollix/qxmpp,Kaffeine/qxmpp,olesalscheider/qxmpp,KangLin/qxmpp