doc improvement
doc improvement

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