add spinner
revert dropped style on category results
add spinner during product list refresh
handle no results in category search
ImageThumbnail is now visible from the Product class
fix broken product display in webkit browsers
Merge branch 'master' into user-experience
remove one-line-description, suggest location for ranking-explanation
Merging refactored site controller
Merge branch 'master' of https://github.com/prmr/Creco.git into Issue90_NominalCorrelation
Removed test used to debug NominalCorrelator