[style] show test site warning in frontend
[style] show test site warning in steer backend
[misc] define HOSTNAME_PRODUCTION constant in front controller for use in the whole app
[lib] Ab4sBookingManager::getImagesURLs_temp() now sort file by alphabetic order instead of mtime
[db] add fields 'sold' and 'price_reduced' to ab4s_booking table
[booking-edit] add checkbox for agents to mark booking as sold and price reduced in booking edit in members area
[model] add isAgent() method for PluginAb4sUser
[booking-edit] refactor condition check for agent for sold & price_reduced
[artwork] add images for sold & price reduced flags
[booking-list] add sold & price reduced flags to booking thumbnails
[booking-details] display sold & price reduced flags over image slide
[booking-list] rename css selector pricereduced-flag* to priceReduced-flag*
[booking-flag] rename CSS selector #newBooking-flag to #newBooking-flag-thumbnail AND change flag image
[booking-flag] add flag for new booking in booking details
[misc] add hyperlink to spotlight business for text in spotlight business box in homepage