Fix the 'rescueshell' cmdline option so that it actually works!

Add a 'disablesafemode' cmdline option to prevent safe mode
being incorrectly triggered - should help with cases like
http://www.raspberrypi.org/phpBB3/viewtopic.php?f=28&t=57016
Remove executable bit (again) from icons
Merge pull request #111 from lurch/fix_perms

Remove executable bit (again) from icons
Update README.md
Enable workarounds for keyboards that do not comply with HID specification

- Enable various specialized HID drivers for input devices that
  do not fully comply with the generic USB HID specification
- Build those and usbhid into the kernel instead of seperate modules.

Closes #100
Merge pull request #114 from maxnet/dev

Enable workarounds for keyboards that do not comply with HID spec.
Updated Hungarian translation
Merge pull request #115 from gyeben/dev

Updated Hungarian translation