Merge branch mainline into MAGETWO-53293

Author: Volodymyr Kublytskyi

dev/tests/functional/composer.json

@@ -1,7 +1,7 @@
 {
     "require": {
-        "magento/mtf": "1.0.0-rc42",
-        "php": "~5.5.22|~5.6.0|~7.0.0",
+        "magento/mtf": "1.0.0-rc43",
+        "php": "~5.6.0|7.0.2|~7.0.6",
         "phpunit/phpunit": "4.1.0",
         "phpunit/phpunit-selenium": ">=1.2"
     },