Patch gitweb to add autocomplete=off to any input field in the gitweb pages.

After: http://stackoverflow.com/questions/8617806/how-to-set-autocomplete-off-globally-for-asp-net-application/8617866#8617866

~/gitweb> wget http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js
~/gitweb> wget http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.map