re #7881 ability to create or edit a user configuration and set or edit its basic attributes, operator value and configuration name are validated, if operator value is wrong user is redirected to main page, auto increment functionality changed to IDENTITY
re #7881 loading of attributes of assembly on main page
re #7871 Displaying list of assemblies + displaying result table of selected assembly.
re #7779 Convert TableColumn -> ContingencyTableRow and send it to frontend. SQL query is now executed in specific class DatabaseInterface via SqlQueryManager.
re #7839 Repositories with basic methods created, domain class attributes mapped to names from database, services with basic methods created
re #7668 Project init with connecting to demo database