convert pre-rendered flipper to a dynamic object which is rendered every frame

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@850 14438d79-0ffd-4333-8ae7-ea2bdd901387
disable lighting on balls (misses customizable color)

..was useless anyhow as its 2D only and the lightsources were/are usually hardwired

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@851 14438d79-0ffd-4333-8ae7-ea2bdd901387
add video option to create the vertex buffers in VRAM

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@852 14438d79-0ffd-4333-8ae7-ea2bdd901387
tweak default color of balls to be mostly the same as before

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@853 14438d79-0ffd-4333-8ae7-ea2bdd901387