dynamic flippers are back again, but this time rendering is faster

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@896 14438d79-0ffd-4333-8ae7-ea2bdd901387
add missing z scaling from last commit

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@897 14438d79-0ffd-4333-8ae7-ea2bdd901387
fix flipper issue with CV

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@898 14438d79-0ffd-4333-8ae7-ea2bdd901387