[EpgList] add support for new new images.

OtherService.png
TimeLineDate.png
TimeLineTime.png
[EPG] allow clocks to be skiable, add 3 new widgets <widget name="change_day", <widget name="jump", <widget name="page"
[RecordTimer] allow AutoTimer to save it own type.
openvix: build 555
openvix: build 556
[Setup] fix plugin support for opening setup screen via their own xml.
[EPG] Tweak timeline background images.
[EpgSelection] tweak some widgets.
openvix: build 557
make a lot more images skinable, also fall back to default skin if image is not available in skin, save bloating skins with duplicate images that are same as default skin.
[HdmiCec] tweak to try to stop unwanted commands.
[EPG] tweak code to better detect ZapTimers.
[RecordTimer] add come missing AutoTimer code.
[skin_default] add zap timer clock.
openvix: build 558
[HardwareInfo] tweak HDMI detection code.
[StbHardware] tweak GigaBlue time handling.
[GetEcmInfo] fix possible BSOD.
[icons] add some missing skinable images.
more tweaks, to allow images to be skinable.