fixed bug that prevent applying scales to compound collision more than once
save the collision scale for compound collisions
Revert "save the collision scale for compound collisions"

This reverts commit a2afed36969ccf0b1c7395433f5b0f003110aae8.
now it is possible to apply repeat scaling to compound collisions
Merge pull request #3 from MADEAPPS/master

Merge in a bunch of commits from JulioJerez