playfield vertex buffer rendering, some cosmetics

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@641 14438d79-0ffd-4333-8ae7-ea2bdd901387
add feature that balls reflect on the playfield. This option can be set for each table.

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@642 14438d79-0ffd-4333-8ae7-ea2bdd901387
add global reflection setting, to enable/disable ball relfection for all tables which don't have individual settings for ball reflection

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@643 14438d79-0ffd-4333-8ae7-ea2bdd901387
texture wrapping for ramp walls fixed, ball reflection render states fixed

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@644 14438d79-0ffd-4333-8ae7-ea2bdd901387