libinput: bump version to 0.7.0

See [1] for a detailed list of changes.

Additional renamed (and rebased) the single patch.

[1] http://lists.freedesktop.org/archives/wayland-devel/2014-December/018750.html



Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>