Merge branch 'PHP-5.6'

* PHP-5.6:
  Typo fix: sicret -> secret
Merge branch 'PHP-5.6'

* PHP-5.6:
  NEWS
  NEWS
  NEWS
  Fixed Bug #66833 Default digest algo is still MD5
  Fix 5.5.10 NEWS
Merge remote-tracking branch 'origin/master' into str_size_and_int64

* origin/master: