Merge branch 'docu'

various doc added ...

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

using a consistent ipaddr parameter all over the place ...

Signed-off-by: Juergen Beisert <jbe@octopus.labnet.pengutronix.de>

adding various doku

various docu added

saving added docu

integrating sha's changes into jbe's branch

Replace all occurences of UBoot with U-Boot ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

adding new doc

doc added and some reorganised

Merge octopus:/home/git/projects/u-boot-v2

Merge branch 'master' of jbe@octopus:/home/git/projects/u-boot-v2

debug support added

move readline command to a file of its own

Fix documentation for addpart/delpart/devinfo. These commands ...

now take a device file, not a device id.

- Implement tree structure for devices ...

- Use device tree structure to implement partitions
- Let devinfo print a nice tree
- Introduce 'fixed' partitions which are not removable
- Fix mount: It was not possible to mount on a relative path.

adding some useful error messages

cp command: Allow to copy multiple files

editor: Do not use ansi code for screen scrolling by default. ...

Add an aliases 'sedit' which does this.

Merge octopus:/home/git/projects/u-boot-v2

mem.c: allow memcpy and memcmp to handle files.

various small typos fixed

fix error path in cp command.

fix area parsing for erase/protect, add error parsing

tristate commands to compile as modules

export symbols

edit: add 8 as backspace code

timeout command: Use do {} while; insteal of while {}; to allow interrupt ...

with timeout = 0.

change semantics of tftpboot command: ...

Change name to tftp and allow to only specify a remote filename.
Localfilename, if given, has to be specified with the second
argument, not the first one.

add argument checking for edit.c