openvix: build 556
cosmetics in cs.po

Signed-off-by: pieterg <pieterg@users.sourceforge.net>
[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.
Updates for show single frame.

- allow h264 still images to be shown (based on showiframe patch from
  Erik slagter)
- vusolo2 (and probably dus2 too) did not properly show single
  iframes in enigma2 with drivers from before 2013. This was very
  noticable when in radio mode.
fix typo in decoder.cpp

Thanks IMS
[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.
[Translations] ET updated thanks Rimas.