New start page (index.xhtml) has been added;
This start page redirects user to page which matches user's role;
Pages (authorized.xhtml and unauthorized.xhtml) have been replaced in correct folders;
Added registration;
Last commit has been corrected;
Fixed bug in file SHA256Encryption.java (algorithm returned incorrect values, if string contained "0" in beginning);
Added GroupDao;
Fixed registration(link between user and user_group);
Added authorization;
Commands for create JDBCRealm configuration are
placed in scripts/CreateRealm_GF/script.txt
Merge branch 'origin/authorization'

Conflicts:
	ComicsZoneTracker/src/main/setup/glassfish-resources.xml