Merge branch 't/command_util_cleanups'

Merge branch 't/command_util_cleanups'

	9f58f7 command_util: grep source files only once.
	b4aff8 command_util: Fix make dependencies for *_command_list.h.
	289547 Make (most) command handlers static.
	ad3864 command_util: Remove code for generating .c files.
	c9df5d command_util: Write array definition in header mode.
	73ca79 command_util: Output array members with backslashes.
	3792a2 command_util: Avoid empty output lines.
	a51586 command_util: replace dump_xxx() by make_xxx().
	6a4f5e command_util: Kill HC and CC header lines.