Update UserSerializationAdapter, UserValidation, UserWebService
improve bugs
add product images
Update productPage.jsp
Merge remote-tracking branch 'origin/Reka-left' into chemodurov
Update ProductDAO and buy-confirmation.js
Update ProductDAO query
Update thumbnail-image-small.js
Merge remote-tracking branch 'origin/reka' into chemodurov
Add time formatting on item_preview.jsp
Pavlo + Reka changes