remove unused includes

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
keybinder: cleanup includes

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
allow scroll lock

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
keybinder: flush after ungrab

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>