avoid zombie git process
Bilibili: fix #312
Support load cookies.txt
add global variable cookies_txt

Test case does not enter via script_main.
Without this definition test cases will fail,
although the new feature works correctly.
unescape HTML entities in media titles
better unescape, also unescape in xiami lyrics filename
let's replace old unescape_html
AcFun: fix #321
version: 0.3.28.2
Magisto: include video hash in filename
YouTube: fix #322
add rtmpdump wrapper
add support: CBS & thePlatform
update README: CBS support
call legitimize() for bilibili's comment title

if the video title contains invalid filename character, IOError(code=22)
is thrown when saving *.cmt.xml.
Merge branch 'wz520-develop' into develop
letv: fix url parse error
Merge branch 'liuerfire-develop' into develop

Fix #309
Google+: fixed
Acfun: legitimize title