Fixed AJAX Error Warning. Programmed by Michael.

The Ajax error warning has been moved from the bottom right-hand corner of
the screen to on top of the grid, so it is more easily visible. This should be
the last time we have a problem with it. (Bug #156)
Merge pull request #62 from CO600GOL/bug/#156_ajax_error_warning_fix

Fixed AJAX Error Warning. Programmed by Michael.