glibc security, bug fix, and enhancement update

[2.12-1.47]

• Don’t start AVC thread until credentials are installed (#700507)
  [2.12-1.46]
• Update systemtaparches
  [2.12-1.45]
• Update configure script
  [2.12-1.44]
• Add gdb hooks (#711927)
  [2.12-1.43]
• Don’t assume AT_PAGESIZE is always available (#739184)
• Define IP_MULTICAST_ALL (#738763)
  [2.12-1.42]
• Avoid race between {,__de}allocate_stack and __reclaim_stacks during
  fork (#738665)
  [2.12-1.41]
• Locale-independent parsing in libintl (#737778)
  [2.12-1.40]
• Change setgroups to affect all the threads in the process (#736346)
  [2.12-1.39]
• Make sure AVC thread has capabilities (#700507)
• Fix memory leak in dlopen with RTLD_NOLOAD (#699724)
  [2.12-1.38]
• Build libresolv with stack protector (#730379)
  [2.12-1.37]
• Maintain stack alignment when cancelling threads (#731042)
  [2.12-1.36]
• Fix missing debuginfo (#729036)
  [2.12-1.35]
• Report write error in addmnt even for cached streams (#688980,
  CVE-2011-1089)
• Handle Lustre filesystem (#712248)
  [2.12-1.34]
• Query NIS domain only when needed (#718057)
• Update: Use mmap for allocation of buffers used for __abort_msg
  (#676591)
  [2.12-1.33]
• Don’t use gethostbyaddr to determine canonical name (#714823)
  [2.12-1.32]
• ldd: never run file directly (#713134)
  [2.12-1.31]
• Support Intel processor model 6 and model 0x2c (#695595)
• Optimize memcpy for SSSE3 (#695812)
• Optimize strlen for SSE2 (#695963)
  [2.12-1.30]
• Support f_flags in Linux statfs implementation (#711987)
  [2.12-1.29]
• Avoid overriding CFLAGS (#706903)
  [2.12-1.28]
• Use mmap for allocation of buffers used for __abort_msg (#676591)
  [2.12-1.27]
• Fix PLT use due to __libc_alloca_cutoff
• Schedule nscd cache pruning more accurately from re-added values
  (#703481)
• Fix POWER4 optimized strncmp to not read past differing bytes
  (#694386)
  [2.12-1.26]
• Create debuginfo-common on biarch platforms (#676467)
• Use Rupee sign in Indian locales (#692838)
• Signal temporary host lookup errors in nscd as such to the requester
  (#703480)
• Define initgroups callback for nss_files (#705465)