* libmisc/shell/hexdump-odsyntax.c: AVR has the same size float and double. Fix error in case statement. * libmisc/shell/main_dd.c: Remove sys/conf.h header. It is not available if networking is disabled.
* libmisc/shell/dd-args.c, libmisc/shell/dd-conv.c, libmisc/shell/dd-conv_tab.c, libmisc/shell/dd-misc.c, libmisc/shell/dd-position.c, libmisc/shell/dd.h, libmisc/shell/extern-dd.h, libmisc/shell/hexdump-conv.c, libmisc/shell/hexdump-display.c, libmisc/shell/hexdump-odsyntax.c, libmisc/shell/hexdump-parse.c, libmisc/shell/hexdump.h, libmisc/shell/hexsyntax.c, libmisc/shell/main_dd.c, libmisc/shell/main_hexdump.c: New. * libmisc/Makefile.am, libmisc/shell/shellconfig.h: Add dd and hexdump commands.
