QtComp: Implement set_maximized and set_fullscreen to have something

We only support single screen for now in the api, so pretty basic still

Change-Id: I629df2378e7d3b16024090dcf620a239be4b4496
Reviewed-by: Jan Arne Petersen <jan.petersen@kdab.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
Remove unwanted api

Change-Id: I2e2d57df508b08594ec937e19259d156e5b3b547
Reviewed-by: Jan Arne Petersen <jan.petersen@kdab.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
Remove conversion warning in examples

Change-Id: I69944a417d40ad39d261b58a35eee4f84156995f
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
Reviewed-by: Laszlo Papp <lpapp@kde.org>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
Update tests so that it does not deadlock

still failes though

Change-Id: I7978c752b02f32a2e2c587c0ad674c51c5e0ad22
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
Remove reference to v8 module in qml-compositor

Explicitly adding the QT += v8 in .pro files is
now an error, so it has been removed.

Change-Id: Ib8f6fc497790f90da5c36e18337a8aa74be3b06b
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
Fixed compilation error caused by wl_xcomposite

It seems like wl_xcomposite was renamed to qt_xcomposite, but not in all places, what cased compilation error, so all remaining appearences where renamed.

Change-Id: I2850dfb428ea39e9a30ec076500c1e26ce1fe5da
Reviewed-by: Jan Arne Petersen <jan.petersen@kdab.com>
Reviewed-by: Andrew Knight <andrew.knight@digia.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>