snark-ur5-control: renamed camera_sweep to tilt_sweep.
snark-ur5-control: tilt_sweep will now tilts up first then tilts down. snark-ur5-status: no longer switches laser-position's pitch (Ry).
snark-ur5-control: tilt_sweep will now tilts up first then tilts down. snark-ur5-status: no longer switches laser-position's pitch (Ry), and removed superfluous --offset option.
view-points: fix bug where offset is not apply to model.
Merge branch 'master' of https://github.com/acfr/snark