re-enable more exact timings from MAME

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3584 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf
update to zlib 1.2.8

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3585 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf
update to latest lib for (undef'd) PinDMD 1 support

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3586 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf