* include/grub/normal.h (grub_env_write_color_normal): New prototype.
(grub_env_write_color_highlight): Likewise.
(grub_wait_after_message): Likewise.
* normal/color.c: New file.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/i386-efi.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/i386-linuxbios.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* normal/menu_entry.c (run): Rely on grub_wait_after_message()
for waiting after a message is printed.
* normal/main.c (read_config_file): Likewise.
(grub_normal_init): Register grub_env_write_color_normal() and
grub_env_write_color_highlight() hooks. Mark `color_normal' and
`color_highlight' variables as global.
* normal/menu.c (grub_wait_after_message): New function.
(grub_color_menu_normal): New variable. Replaces ...
(GRUB_COLOR_MENU_NORMAL): ... this macro.
(grub_color_menu_highlight): New variable. Replaces ...
(GRUB_COLOR_MENU_HIGHLIGHT): ... this macro.
(draw_border): Set color state to `GRUB_TERM_COLOR_NORMAL' instead of
`GRUB_TERM_COLOR_STANDARD'.
(print_message): Use `grub_setcolorstate' to reload colors. Rename
`normal_code' and `highlight_code' to `old_color_normal' and
`old_color_highlight', respectively.
(grub_menu_init_page): Update colors when drawing the menu, based on
`menu_color_normal' and `menu_color_highlight' variables.
(grub_menu_run): Rely on grub_wait_after_message() for waiting after
a message is printed.