- Bumps x264 to r1195-5d75a9b. x264 has new default settings: subme 6->7, bframes...

- Bumps x264 to r1195-5d75a9b. x264 has new default settings: subme 6->7, bframes 0->3, 8x8dct 0->1, psnr 1->0, ssim 1->0, ref 1->3, mixed-refs 0->1, trellis 0->1, weightb 0->1
- Explicitly enables SSIM and PSNR metrics for all x264 encodes
- MacGui: Updates Advanced tab for new x264 defaults
- MacGui and CLI: Updates built-in presets to produce the same output given the new default x264 settings

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@2742 b64f7644-9d1e-0410-96f1-a4d463321fa5