Added Zend Debugger to the note about the load order (by trash4you at online dot de)
Merge branch 'PHP-5.5'
Increment version number, since this will be 5.5.6.
Merge branch 'PHP-5.5'

* PHP-5.5:
  Increment version number, since this will be 5.5.6.

Conflicts:
	configure.in
	main/php_version.h
ldap_escape() notes