readline: dont install usr/share/readline

some useless sources I see there..
systemd: dont install usr/lib/systemd/user
remove vaapi support for now
kodi-pvr-addons: update to kodi-pvr-addons-8ea1a42
kodi: it's confluence that depends on kodi-texturepacker:host, not kodi
kodi: update to kodi-14-3d9dbc2
mkimage: boo sudo..