Merge branch 'PHP-5.6' of https://git.php.net/repository/php-src into PHP-5.6

# By Pierre Joye (7) and others
# Via Pierre Joye (10) and others
* 'PHP-5.6' of https://git.php.net/repository/php-src:
  updated libsqlite to 3.8.3.1 in 5.5 branch, too
  DI
  Switch from a single flag to a flag byte
  update NEWS
  fix #66872, invalid argument crashes gmp_testbit
  fix #66872, invalid argument crashes gmp_testbit
  update news
  - fix #66869, Invalid 2nd argument crashes imageaffinematrixget
  add vc12 (2013)
  add vc12 (2013)