Merge branch 'PHP-5.6'

Merge branch 'PHP-5.6'

* PHP-5.6: (21 commits)
  fix unit tests
  update NEWS
  add NEWS for fixes
  Improve fix for #70172
  Fix bug #70312 - HAVAL gives wrong hashes in specific cases
  fix test
  add test
  Fix bug #70366 - use-after-free vulnerability in unserialize() with SplDoublyLinkedList
  Fix bug #70365 - use-after-free vulnerability in unserialize() with SplObjectStorage
  Fix bug #70172 - Use After Free Vulnerability in unserialize()
  Fix bug #70388 - SOAP serialize_function_call() type confusion
  Fixed bug #70350: ZipArchive::extractTo allows for directory traversal when creating directories
  Improve fix for #70385
  Fix bug #70345 (Multiple vulnerabilities related to PCRE functions)
  Fix bug #70385 (Buffer over-read in exif_read_data with TIFF IFD tag byte value of 32 bytes)
  Fix bug #70219 (Use after free vulnerability in session deserializer)
  Fix bug ##70284 (Use after free vulnerability in unserialize() with GMP)
  Fix for bug #69782
  Add CVE IDs asigned (post release) to PHP 5.4.43
  Add CVE IDs asigned to #69085 (PHP 5.4.39)
  ...

Conflicts:
	ext/exif/exif.c
	ext/gmp/gmp.c
	ext/pcre/php_pcre.c
	ext/session/session.c
	ext/session/tests/session_decode_variation3.phpt
	ext/soap/soap.c
	ext/spl/spl_observer.c
	ext/standard/var.c
	ext/standard/var_unserializer.c
	ext/standard/var_unserializer.re
	ext/xsl/xsltprocessor.c