adding various doku

shell info added

hush doc added

hush.c: split high-density "if(x) something"; into two lines

hush.c: get_local_var() is used only once, put it into the function ...

where it is called

fix indention in hush.c

remove comment about glob in hush.c. We do not use glob

fix indention in hush.c

fix indention in hush.c

fix indention in hush.c

set last_return_code to rcode and not 1 or 0

pass file size from read_file

hush.c: use xrealloc instead of realloc to save some bytes

hush.c: use xzalloc instead of xmalloc to save some bytes

hush.c: Remove wrong free() of ctx->pipe->progs. After breaking out ...

of the while loop ctx->pipe is invalid, so we cannot dereference
	ctx->pipe->progs.

remove extern declaration of console_buffer

fix indention

remove hack from hush which did the wrong thing

add $# handling for hush

remove debug printf

remove u-boot command paramter flag

- add 'source' command ...

- add help text for 'source' and 'sh'

- teach hush to honour PATH variable ...

- remove common/main.c. This is now handled in the different shells.

fix indention

allow arguments to be passed to scripts

unifdef __U_BOOT__ in hush.c

svn_rev_481 ...

make more char * const, fix compiler warnings

svn_rev_424

svn_rev_392 ...

- remove u_boot_hush_start()
- remove u_boot_hush_reloc()
- remove repeatable commands
- do not use local variable handling anymore

svn_rev_353