public function postDeleteUsage($id)
 {
     // Get Usage
     $usage = LicensesUses::find($id);
     // Get License
     $license = License::find($usage->license_id);
     // Delete Usage
     $usage->delete();
     Session::flash('alert_message', '<strong>Done!</strong> You successfully have deleted a license usage.');
     return Redirect::to("admin/licenses/usage/{$license->license_key}");
 }