atmel-demo-image: packagegroup-core-basic is renamed packagegroup-core-full-cmdline

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
atmel-demo-image.inc: switch to python-distribute

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Move distro and qt configuration to atmel include

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
qt: remove qt4 dependency

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>