add support for Xiami
Xiami: enable metadata fetching
add support for Tumblr audios (fix #50)
* Sohu: default to download the best quality
Sohu: fix #53
Sina: enhance regex; fix #55
Sina: fix regression issue introduced by 8d0c066
ifeng: fix #57
Vimeo: default to download the best quality; fix #58
add support for NetEase, fix #59
add support for YouTube short URLs, fix #62
163: remove leading whitespace
YinYueTai: default to download the best quality; fix #63
Sohu: fix #69
version 0.3dev-20130118
Dailymotion: default to download the best quality; fix #72
iQIYI: fix #77, iambus/youku-lixian#44, iambus/youku-lixian#52
add support for Facebook, fix #74
add support for Joy.cn, fix #86
add support for Mixcloud, fix #91