Switch from holo dark to holo light and made action bar blue
Replaced some icons with their holo light counterpart
levels: added immersive mode to RiverGraphActivity
news: added basic cards look
news: added swipe to dismiss and undo
news: added navigation on click
news: moved NewsCard to separate class
news: removed action mode

Not worth the trouble at the moment ...
news: added space between top and first list item