Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fix memory leak
  Fix bug #72099: xml_parse_into_struct segmentation fault
  5.5.36 now
  Fix bug #72094 - Out of bounds heap read access in exif header processing
  Fix bug #72093: bcpowmod accepts negative scale and corrupts _one_ definition
  Fix bug #72061 - Out-of-bounds reads in zif_grapheme_stripos with negative offset
  Fix for bug #71912 (libgd: signedness vulnerability)
  Typo in NEWS

Conflicts:
	configure.in
	main/php_version.h

diff --cc ext/bcmath/bcmath.c
Simple merge

diff --cc ext/exif/exif.c
Simple merge

diff --cc ext/xml/xml.c
Simple merge