PictureInPicture: avoid GSOD on specific hardware

On those that do not have some features
Improve anniversary icon on screensaver

Without the white shadow
PiPSetup: get initial PIP position from config

Previously it was taken from the actual PIP and when this was e.g.
splitscreen than the standard PIP became also some kind of splitscreen.
add support for uk cable epg

Signed-off-by: Littlesat <littlesat99@yahoo.com>
Only adjust PIP locations when it is really required
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2