Samba 3.0 alpha4

[Ariel Mella]

Andrew:
> - fixed nexus/win9x user list (jfm)
including the 100+ users list bug??
this is very important because i have to give a try tonogight.
pls confirm this only.
> - fixed large user/group lists in winbindd (tridge)
> - fixed gssapi headers in redhat (jmcd)
> - fixed rap error code handling (jra)
> - more usermanager rpc calls (jfm)
> - re-added RAP calls at top level to net command (tridge)
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