upgrade carbon and php

vendor/composer/autoload_namespaces.php

@@ -6,4 +6,10 @@ $vendorDir = dirname(__DIR__);
 $baseDir = dirname($vendorDir);
 
 return array(
+    'PhpRbac' => array($vendorDir . '/owasp/phprbac/PhpRbac/src'),
+    'Payeezy_' => array($vendorDir . '/payeezy/payeezy-php/src'),
+    'Parsedown' => array($vendorDir . '/erusev/parsedown'),
+    'Mustache' => array($vendorDir . '/mustache/mustache/src'),
+    'Math_' => array($vendorDir . '/pear/math_biginteger'),
+    'HTMLPurifier' => array($vendorDir . '/ezyang/htmlpurifier/library'),
 );