Update composer.json

Author: nilportugues

composer.json

@@ -30,15 +30,9 @@
     },
     "require-dev":
     {
-        "phpunit/phpunit": "4.2.*@dev",
-        "sebastian/comparator": "dev-master",
-        "sebastian/finder-facade": "dev-master",
-        "theseer/fdomdocument": "dev-master",
-        "fabpot/php-cs-fixer": "dev-master",
-        "pdepend/pdepend": "2.*",
-        "phpmd/phpmd": "dev-master",
-        "squizlabs/php_codesniffer": "2.*@dev",
-        "fiunchinho/phpunit-randomizer": "1.0.*@dev"
+        "phpunit/phpunit": "~4.2",
+        "fiunchinho/phpunit-randomizer": "1.0.*@dev",
+        "fabpot/php-cs-fixer": "dev-master"
     },
     "config":
     {