Code refactoring

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
[INFRA-139] - Added a command, which sets the component description

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Fixed @since for "remove the default assignee"

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>