[Confluence] some minor fixes

Hey guys,

found the one or other glitch.

1)
Plot was cut off in DialogVideoInfo.xml
Before:
http://www.xbmcnerds.com/wcf/images/photos/photo-1184-579fefa7.png
After:
http://www.xbmcnerds.com/wcf/images/photos/photo-1183-94ae6deb.png

2)
Plot was cut off in view 508 (Fanart)
Before:
http://www.xbmcnerds.com/wcf/images/photos/photo-1182-af02581a.png
After:
http://www.xbmcnerds.com/wcf/images/photos/photo-1181-cc8e2dce.png

cheers,
mad-max