Prevent VideoConfig inheritance.
Merge pull request #177 from lioncash/videoconfig-inheritance

Prevent VideoConfig inheritance.
Cleanup a little bit of the PHackSettings.
Merge pull request #178 from lioncash/phack-cleanup

Clean up a little bit of the PHackSettings.
Save bHLE_BS2 to config cache before it can be changed while booting.

This variable can be changed in SConfig::AutoSetup, so we need to save it before that is called.
Merge pull request #170 from RachelBryk/save-skip-bios

Save bHLE_BS2 to config cache before it can be changed while booting.