vdr-plugin-vnsiserver: update to vdr-plugin-vnsiserver-a7cb405

Signed-off-by: Stephan Raue <stephan@openelec.tv>
vdr-addon: update changelog

Signed-off-by: Stephan Raue <stephan@openelec.tv>
vdr-addon: bump addon version to 4.3.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>