Merge branch 'master' into phpng

Merge branch 'master' into phpng

* master: (77 commits)
  NEWS entry for Fix potential segfault in dns_get_record()
  NEWS entry for "Fix potential segfault in dns_get_record()"
  NEWS entry for Fix potential segfault in dns_get_record(
  Fix potential segfault in dns_get_record()
  Revert "Add optional second arg to unserialize()"
  5.5.15 now
  update NEWS
  Fix bug #66127 (Segmentation fault with ArrayObject unset)
  5.4.31 next
  Add NEWS. This doesn't need UPGRADING (or an RFC), IMO.
  Fix broken test.
  Add a mime type map generation script and update the header.
  Move the mime type map out of php_cli_server.c for easier generation.
  Replace the CLI server's linear search for extensions with a hash table.
  fix test
  Remove unused included file
  NEWS
  NEWS
  NEWS
  Fixed Bug #67413 	fileinfo: cdf_read_property_info insufficient boundary chec
  ...

Conflicts:
	Zend/zend_closures.c
	Zend/zend_execute.c
	Zend/zend_vm_def.h
	Zend/zend_vm_execute.h
	ext/spl/spl_array.c
	ext/standard/basic_functions.c
	ext/standard/dns.c
	ext/standard/var.c