readded strict warning but fixed error with Joomla 2.5
some fixes to the Joomla 2.5 legacy css to make the sorting boxes readable.
fixed button color for primary button in the Joomla 2.5 legacy css
removed info box on order confirmation page.
changed add2cart button on single image page from icon to text to have the same pattern for this button on every page
Improved content plugin.
fixes PostgreSQL merge issue: event shows up multiple times in back end if there are comments for this event.