updated libs_version.txt
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  updated libs_version.txt

Conflicts:
	win32/build/libs_version.txt
Merge remote-tracking branch 'origin/PHP-5.6' into str_size_and_int64_56_backport

* origin/PHP-5.6:
  updated libs_version.txt