Merge branch 'binary-libelf' into maint

* binary-libelf:
  Add missing libelf.m4
  Document libelf change
  Build bundled libelf and link statically if needed
  Import libelf 0.8.13
  Write userfile with AtomicFile
  Use bd::AtomicFile to avoid cross-device renaming from Tempfile
  Don't try munmap(NULL)
  Update bdlib for AtomicFile
  Don't remove the main binary when making a copy
  Give a hint that we are sequentially reading memory
  Reduce duplicated logic
  Reading should use MAP_PRIVATE
  Give better hints to the compiler on this logic
  Use libelf to find the location of the settings struct

Conflicts:
	configure
Update bdlib for AtomicFile cstdio fix
Remove all the junk responses and make them clear

Conflicts:
	doc/UPDATES
Merge branch 'maint'

* maint:
  Remove all the junk responses and make them clear
  Update bdlib for AtomicFile cstdio fix
  Add missing libelf.m4
  Document libelf change
  Build bundled libelf and link statically if needed
  Import libelf 0.8.13
  Write userfile with AtomicFile
  Use bd::AtomicFile to avoid cross-device renaming from Tempfile
  Don't try munmap(NULL)
  Update bdlib for AtomicFile
  Don't remove the main binary when making a copy
  Give a hint that we are sequentially reading memory
  Reduce duplicated logic
  Reading should use MAP_PRIVATE
  Give better hints to the compiler on this logic
  Use libelf to find the location of the settings struct

Conflicts:
	configure
	lib/bdlib
Merge branch 'bdlib-atomicfile'

* bdlib-atomicfile:
  Update bdlib for AtomicFile cstdio fixes
  Add install-sh (autoconf requires this even though it is not used...)
  Update to latest depcomp
  Update bdlib for AtomicFile
  Don't hide errors building symbols and be sure to pass in proper -std
  Hookup bdlib configure as a AC_CONFIG_SUBDIRS
  Hookup bdlib using new autotools system
  Update bdlib for AtomicFile

Conflicts:
	build/autotools/configure.ac
	configure
	lib/Makefile.in
	src/Makefile.in
Merge branch 'master' into next

* master:
  Remove all the junk responses and make them clear
  Update bdlib for AtomicFile cstdio fix

Conflicts:
	doc/UPDATES