updated libs_version.txt
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  updated libs_version.txt
updated libs_version.txt
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  updated libs_version.txt
  updated libs_version.txt
Merge branch 'PHP-5.6'

* PHP-5.6:
  updated libs_version.txt
  updated libs_version.txt