Import svn-1.8.0 final
Import subversion-1.8.1 into vendor staging area.
Import svn-1.8.4, which includes fixes for both security and merge
handling.
Import subversion-1.8.5
Vendor import svn-1.8.8
Vendor import svn-1.8.9
When r255294 was committed, it exposed the symbols lgammal, powl,
and tgammal in libm.  These functions are part of ISO/IEC 9899:1999
and their prototypes should have been moved into the appropriate
__ISO_C_VISIBLE >= 1999 section.  After moving the prototypes,
remnants of r236148 can be removed.

PR:		standards/191754
Reviewed by:	bde
Update the text of a KASSERT() to reflect the changes in r269728.
Bump the HAL_REGRANGE fields from 16 bit to 32 bit.

The AR9380 and later chips have a 128KiB register window, so the register
read diag api needs changing.

The tools are about to be updated as well.  No, they're not backwards
compatible.
Update athpoke/athregs to use the modified register read diagnostic API.
Add more tools to the build.
make the README a bit more clearer...

Sort the scripts, and remove the trailing backslash...

We really should install more of the toolkit scripts than just 5 of them..
add my scripts to measure io latency per disk...
Improve comments by listing a criteria for automatic increment of receive socket
buffer.

Reviewed by:	jmg
Per discussion on arm@, the compiler generates misaligned
relocations. Cope with memcpy when needed.

Submitted by: fabient@ (plus changes suggested by thread)
Use a separate variable for resource id, because 'i' may increment at a
rate greater than 1 on each iteration.
Handle various ways that interrupt config data can be malformed by
warning and assuming more or less reasonable values.
Change the NFS server's printf related to hitting
the DRC cache's flood level so that it suggests
increasing vfs.nfsd.tcphighwater.

Suggested by:	h.schmalzbauer@omnilan.de
Fix paths.
Fix a few problems with the USDT probes:

* Include OBJDIR to make sure the generated file is found;
* Simplify the definition of OBJS;
* Add targets for shared objects and for profiled objects.

MFC after:	3 days