Changes to skin_display for vuduo and et10k

Update movieplayer, channelselection, dvdplayer, menu, messagebox,
messagebox simple
More changes to skin_display for vuduo2 and et10k boxes

Service event in medium font
further (simple) messagebox fixes
choicebox fix

(and more to come....)
Merge Fix
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2