Todo for Opie-Eye

1.) Extend BigScreen classes to have something like a combined OSplitter and OWidgetStack.
    On small screens one could toggle this Widget into the View but on BigScreen it would
    be a full widget -> OToggleSplitter

4.) make the cache tunable at runtime
5.) fix config gui
7.) 2 column mode on big screen
8.) 2/4 pix without info on a row
9.) Performance

Done:
2.) Write a Image Info Widget which uses the cache to get the thumb 
    and the slave to get the info and display it. Make use of 
    OKeyConfigManager to manager keys for up and down and left and right 
    to switch between views and go from one image to the next. it would
    emit signals (alwin)
	    
3.) Write Image Display component (alwin)
6.) more Configuration (alwin)