* include/grub/auth.h: Include `<grub/i18n.h>'.
(GRUB_GET_PASSWORD): Gettextizze string.
* include/grub/normal.h (STANDARD_MARGIN): New macro, moved from
menu_text.c.
(grub_utf8_to_ucs4_alloc): Fix indentation.
(grub_print_ucs4): Likewise.
(grub_getstringwidth): Likewise.
(print_message_indented): New declaration.
* normal/auth.c: Include `<grub/i18n.h>'.
(grub_auth_check_authentication): Gettexttize string.
* normal/cmdline.c: Include `<grub/i18n.h>'.
(grub_cmdline_get): Gettextizze.
* normal/color.c: Include `<grub/i18n.h>'.
(grub_parse_color_name_pair): Gettexttize strings.
* normal/main.c (grub_normal_reader_init): Cleanup gettexttized
string (use `print_message_indented').
* normal/menu_text.c (STANDARD_MARGIN): Moved from here to
`include/grub/normal.h'.
(print_message_indented): Renamed to ...
(grub_print_message_indented): ... this. Remove `static' qualifer (now
used in normal/main.c).
(print_message): Use `grub_print_message_indented' instead of
`print_message_indented'.
(print_timeout): Likewise.
* normal/misc.c: Include `<grub/term.h>' and `<grub/i18n.h>'.
(grub_normal_print_device_info): Gettexttize strings.
* po/POTFILES: Add `auth.c', `color.c' and `misc.c'.
* normal/auth.c (punishment_delay): New variable.
(grub_auth_strcmp): Rewrite using grub_get_time_ms ().
(grub_auth_check_authentication): Punish failed login attempts with
an incremental (2^N) delay.
