Simplify notification daemons startup process

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Don't start TCP notification daemon if no params are supplied

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Defer notification daemon initialization

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Make UDP control socket unconditionally active again

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>