Added info about previous commit to CHANGELOG.
Added info about previous commit to CHANGELOG.

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