Sohu: fix #69
version 0.3dev-20130118
Dailymotion: default to download the best quality; fix #72
Merge remote-tracking branch 'upstream/master' into upstream
iQIYI: fix #77, iambus/youku-lixian#44, iambus/youku-lixian#52
add support for Facebook, fix #74
add support for Joy.cn, fix #86
Merge remote-tracking branch 'upstream/master' into upstream