Removed left over uses of dirname( __FILE__ ) to __DIR__, even in comments.
Running the PHP version test in maintenance/Maintenance.php earlier, so that
we no longer have to stay PHP < 5.3 compatible in there.
Change-Id: I5a00bd5c6af44b7f826c4e5576a7b3de7b5026d8
We can now do this since we finally switched to PHP 5.3 for MW 1.20 and get rid of the silly dirname(__FILE__) stuff :)
Change-Id: Id9b2c9cd2e678197aa81c78adced5d1d31ff57b1