Fix debug message.

b=16098

Add URL for GPLv2 license in copyright headers

b=16098

change CFS license headers to Sun headers

b=15940
i=isaac
i=oleg

Convert kp30.h to an internal libcfs include and change users of kp30.h to
include libcfs.h if they were not already.

b=14769
i=adilger
i=eric.mei

(1) Fix race condition between identity upcall disabled checking
    and the real identity upcall doing.
(2) Replace "CWARN" and "CERROR" about identity with "CDEBUG".
(3) Test scripts fix for SLES10 system and remote client test.
(4) Code indent related fix.

b=14844
i=adilger
i=deen

fix compile issue on PPC.

- redesigned remote acl support, by FanYong
  b=11842
  r=pravin.shelar, eric.mei
- new sptlrpc configure interface
  b=13642
  r=yong.fan, rahul.deshmukh
- split kerberos keytab for lustre_root
  b=13873
  r=yong.fan, h.huang
- fix setuid for gss with linux keyring
  b=13899
  r=yong.fan, h.huang

b=11802
i=green
i=scjody

attachment 11752 / rely on AUTOCONF_INCLUDED instead of HAVE_KERNEL_CONFIG_H