Added logging for unchecked exceptions.
Added annotation @Table to all entities.
Constants for enumerations were moved into these enumeration.
Improved name of method.
Improved name of method.
fixes #16
JSP was replaced with Thymeleaf.
All resources were moved into 'resources' folder (instead of 'libs').
Also, there were several indirect improvements.
Updated according  to latest changes.
Improved paginator.
fixes #15
Removed dependency from fancybox (reopen #13).
Improved work with repositories.
Improved implementation of repository for DS.
Improved code for managing users.
Improved design of pages.
Removed support of voting for offered books (cancels #10).
In future we try to find better solution for this issue.
Set fake email address.
Improved markup.
Added list of subscribers with new design.