Merge branch 'PHP-5.3' of git.php.net:php-src into PHP-5.3

* 'PHP-5.3' of git.php.net:php-src: (59 commits)
  Fixed defective cloning in ext/intl classes
  Fixed bug (segfault while build with zts and GOTO vm-kind)
  better fix
  Fix test
  Fixed bug #62904 (Crash when cloning an object which inherits SplFixedArray)
  ZTS fix introduced by Felipe must also go into 5.3
  Updated INSTALL. Generated from the XML Docs.
  Update NEWS given a5d0c1e2
  Fix handling of several uinitialized intl objects
  Fixed bug #62885 (mysqli_poll - Segmentation fault)
  - Removed PHP 6 checks
  skip test properly
  Added test for bug #51353. It'll be skipped by default and must be activated manually.
  Move test files to tests dir
  skip test for bug 43130 on firebird , not relevant
  - Value stored to var is never used
  - Value stored to var is never used
  - Value stored to var is never used
  - Value stored to var is never used
  - Value stored to var is never used
  ...