Use phploc "~2.0" instead of "~2.1" because the new version is not

compliant with PHP 5.3.

Author: bgaillard

composer.json

@@ -37,9 +37,9 @@
 	"require-dev" : {
 		"codeclimate/php-test-reporter" : "~0.1",
 		"pdepend/pdepend" : "~2.0",
-		"phploc/phploc" : "~2.1",
+		"phploc/phploc" : "~2.0",
 		"phpmd/phpmd" : "~2.2",
-		"phpunit/phpunit": "~4.6",
+		"phpunit/phpunit" : "~4.6",
 		"satooshi/php-coveralls" : "~0.6",
 		"sebastian/phpcpd" : "~2.0",
 		"squizlabs/php_codesniffer" : "~2.3"