* top.c (print_gdb_version): Rewrote to comply with new GNU coding

	* top.c (print_gdb_version): Rewrote to comply with new GNU coding
	standards for the --version option.
	(print_gnu_advertisement): Remove, now part of print_gdb_version.
	(show_version): Remove call to print_gnu_advertisement.
	* top.h (print_gnu_advertisement): Remove prototype.
	* main.c (print_gdb_help): Move help to static function and
	add prototype.
	(main): Call print_gdb_help rather than inlining it.
	(main): Remove call to print_gnu_advertisement.
	* gdbtk.tcl (create_copyright_window): Increase timeout from
	15 seconds to 30 seconds.