Better layout for the Hooks panel
Remove unnecessary SPL check
Alter the `is_ajax()` method so it only returns true for proper WordPress AJAX requests
Switch to `ob_end_flush()` to prevent QM's output being buffered and causing various errors. Fixes issues with W3TC and other plugins that use output buffering. See #26.
Simplify some code when we're forcing QM to the front of the list of active plugins
Mark as 2.5.5
Merge branch 'develop'
More succinct header output for PHP errors
i18n for PHP error output in the console
Forcibly return true from our custom error handler when doing AJAX requests so extensions such as Xdebug don't break things
Alter the header in db.php file so it's not chosen as the first plugin by `get_plugins()`. Fixes the "Invalid header" issue.
Merge branch 'develop'
Mark as 2.5.6