[update] update to upstream commit 5672c10
Squashed 'qtwayland/' changes from fe7bfcb..5672c10

5672c10 Compile in C++11 mode: fix narrowing conversion in arrays
388e38a Wayland compositor: only include Qt's generated protocol headers
9f502d0 Compositor Wayland-EGL: fix connection to releaseBuffer
fa2f0c7 Improve the cursor handling
f3db15c Make surfaces visible by default
00b13f9 Fixup the windowmanager extension code
b8643f0 Update wayland config test to look for at least 1.1
bb69e8e Move the commit out of damage
8e3371f Remove unneeded functions
07ad1ce Remove the wl_surface functions from QWaylandWindow
39411c4 Compilefix for d8e110002d8cab2c1be3d8f930b67f3e158c3fb4
b5da57b QtCompositor : Support to hide cursor
d8e1100 wayland_common : Support to hide cursor

git-subtree-dir: qtwayland
git-subtree-split: 5672c10bbeff5a10f383017df0dfe29c360d1cb8
Merge commit '8bf7171c47d0545ab4845f77f13c329993a33cb2'