[*] StbMainApp: Fix showing analog channel name in playcontrol if there isn't any dvb channel.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>
[+] elcdRpcLib: Add support for TSstreamerOn/TSstreamerOff call.

Signed-off-by: Anton Sergeev <Anton.Sergeev@elecard.ru>