Higher tolerance for cam-ground-collision, less colliding

Signed-off-by: Herman Rödström <herman@rodstrom.se>
Merge branch 'herman' of github.com:rodstrom/yomibubble into olof
Player can now go inside bubbles and walk/run/jump etc. Started implementing bubble state specific values.

Signed-off-by: Olof Wallentin <olov.wallentin@gmail.com>