- Strip item: first partial implementaion
- 16 variations: it_strip, it_strip_w,... it_strip_nesw
- correct physics in width and height
- fix: potential memory smasher on shutdown caused by it_sensor
Note:
- stip uses bluesand images (edit getModelName() to set it to it_strip0...)
- objects.xml declarations missing
- it-hstrip, it-vstrip mappings to new strip still missing
