Fixed build instruction
add support for ppc64p7 arch (Power7 optimized)
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  add support for ppc64p7 arch (Power7 optimized)
Fixed typo
Bug #52861: unset fails with ArrayObject and deep arrays

When checking to make into a reference write, readwrite are checked but not unset
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Bug #52861: unset fails with ArrayObject and deep arrays
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Bug #52861: unset fails with ArrayObject and deep arrays
add news for SOAP fixes
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  add news for SOAP fixes
5.4.13 branched, now it's 5.4.14
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  5.4.13 branched, now it's 5.4.14

Conflicts:
	configure.in
	main/php_version.h
- add image flip API support
- add image flip API support
- add image flip API support
- add image flip API support
- add image flip API support
- add image flip API support
- add new file for m4 as well
- add only once
Added missing calloc() result checks