re-merged appliclation and lib code - separation introduced more
problems than it solved.

Some of the fixes below are now only fixed in this combined release and
should not be considered fixed in previous releases.

#318 (fixed) - Product save and hide bugs
#312 (fixed) - Pelorous - ECommerce Platform (interface updates to make
more user friendly)
#311 (fixed) - It should not be possible to delete the default site
author
#309 (fixed) - Saving products can cause a server sync issue
#307 (fixed) - Static cache to disable on basket/checkout pages
#265 (fixed) - Layout copying bug