First version of tool created

First version of tool created
    .gitignore            (+)
    SConstruct            (+)
    src/DefaultConfig.h   (+)
    src/SConscript        (+)
    src/ScreenCapture.cpp (+)
    src/ScreenCapture.h   (+)
    src/main.cpp          (+)
Added --createconfig flag

Added --createconfig flag
It makes more sense to specify that we want to create this file.

    src/DefaultConfig.h
    src/main.cpp