fix #123 for bilibili
fix #122 for Youku
add support for VID48, fix #124
Google+: fix video title when downloading from albums, #93
remove tests for Douban
QQ: support QQMusic (y.qq.com)
version 0.3.4: add support for Blip; fix #67, #125
QQ: fix #127
Merge remote-tracking branch 'upstream/master' into upstream