- Remove remaining references to XFree86-Misc options AllowNonLocalModInDev
  and DisableModInDev.
- Remove remaining references to grab-breaking keys & associated options.
- Update description of Ctrl-Alt-Backspace to new -retro/DontZap defaults.
- Add description of new options -modalias and -showopts.
- Update list of modules loaded by default.
- Update input driver references from keyboard to evdev & kbd.
- Update list of driver man pages to match xf86-*-* drivers with man pages.
- Add See Also section to exa man page.

and various formatting/typo/etc. fixes.

The Xorg/xorg.conf sections on input device selection could use further
updates to better match the current state of HAL-enabled configuration.