cleaning up various codes.

laravel/hash.php

@@ -36,7 +36,7 @@ class Hash {
 		// Bcrypt expects the salt to be 22 base64 encoded characters including
 		// dots and slashes. We will get rid of the plus signs included in the
 		// base64 data and replace them with dots. OpenSSL will be used if it
-		// is available, otherwise we will use the Str::random method.
+		// is available on the server.
 		if (function_exists('openssl_random_pseudo_bytes'))
 		{
 			$salt = openssl_random_pseudo_bytes(16);