update FEATURES

Change-Id: I9342b518a63fc61343f2406a536acaf5684e1ed4
update NEWS

Change-Id: I97640e3d266baecdac700230de1a7209282d0078
add a note about Keynote 6 to README

Change-Id: Ifd11bc6e90ee0c299826e17b0ef872d5d8631dd0