LDEV-4275: Creating a simplified version of gradebook export. Added support for central alignment in an excel spreadsheet as well as another border style.
LDEV-4271 Refactor Assessment code * use DTO instead of model classes for carrying interim information * split learning.jsp into two pages: actual learning.jsp where user enters his answers and results.jsp where we display results to him
LDEV-4271 Refactor Assessment code * use DTO instead of model classes for carrying interim information * split learning.jsp into two pages: actual learning.jsp where user enters his answers and results.jsp where we display results to him