continued working on C++ chapter. Added qmake and cmake topics.
continued working on C++ chapter. Added qmake and cmake topics.

manashmndl/qmlbook,meizhoubao/qmlbook,darongE/qmlbook,meizhoubao/qmlbook,RossRogers/qmlbook,darongE/qmlbook,GuillaumeBelz/qmlbook,meizhoubao/qmlbook,jmertz/qmlbook,dk0104/qmlbook,GuillaumeBelz/qmlbook,dk0104/qmlbook,darongE/qmlbook,manashmndl/qmlbook,dk0104/qmlbook,GuillaumeBelz/qmlbook,dk0104/qmlbook,meizhoubao/qmlbook,GuillaumeBelz/qmlbook,RossRogers/qmlbook,talalbutt/qmlbook,darongE/qmlbook,GuillaumeBelz/qmlbook,RossRogers/qmlbook,jmertz/qmlbook,talalbutt/qmlbook,talalbutt/qmlbook,dk0104/qmlbook,talalbutt/qmlbook,jmertz/qmlbook,meizhoubao/qmlbook,RossRogers/qmlbook,manashmndl/qmlbook,manashmndl/qmlbook,RossRogers/qmlbook,jmertz/qmlbook,manashmndl/qmlbook,talalbutt/qmlbook,jmertz/qmlbook,darongE/qmlbook