remove tomcat7 debian dependency

Due to upgrade of spring we need to move to tomcat8.

Remember about updating logrotate configuration.

changed milestone to %v14.0.0~alpha.0

added dev-todo label

changed the description

changed milestone to %v14.0.0~alpha.1

mentioned in merge request !871 (merged)

closed via merge request !871 (merged)

mentioned in commit e36db602