Adds changes lost when migrating to GitHub.

The processing of the spritepos files builds the name of the sprite from the
part before the colon.
Merge branch 'master' of github.com:j-jorge/bear into android-render-thread
Add missing colon.
forced_movemenmt_applicator uses handles on items.

The items may be killed before the application of the movement.
Merge branch 'master' of github.com:j-jorge/bear into android-render-thread
The mouse_detector reacts to any finger event.