Update Media Viewers version from 2.0 to 2.5
Update Media Viewers version from 2.0 to 2.5

git-svn-id: d71704da40e819af2ba9ff15fdfd08baa69d9f90@1388 a3f5c567-fd0f-3a89-9b71-a290c5a5f590

loftuxab/media-viewers,loftuxab/media-viewers,bforest/media-viewers,horelvis/media-viewers,share-extras/media-viewers,bforest/media-viewers,jberthoux/media-viewers,loftuxab/media-viewers,loftuxab/media-viewers,horelvis/media-viewers,jberthoux/media-viewers