go back with phpdbg to the state of 5.6.3, reverting the controversial commits(remote debugging/xml protocol)
typo fix
Merge branch 'PHP-5.6'

  merge phpdbg commits from PHP-5.6 but keep the phpdbg unchanged in master
remove the NEWS entries for the reverted stuff
Merge branch 'PHP-5.6'

* PHP-5.6:
  remove the NEWS entries for the reverted stuff