Fixed bug #66356 (Heap Overflow Vulnerability in imagecrop())

And also fixed the bug: arguments are altered after some calls
Merge branch 'PHP-5.5' into PHP-5.6

Conflicts:
	main/php_version.h
Merge branch 'PHP-5.6'
Revert accidented committed php_version.h
Merge branch 'PHP-5.5' into PHP-5.6

Conflicts:
	main/php_version.h
Merge branch 'PHP-5.6'
Fixed bug #66358 (fpm starts segfault)
Merge branch 'PHP-5.6'
Merge remote-tracking branch 'origin/master' into str_size_and_int64

Conflicts:
	ext/gd/gd.c