Revert login check.

Merge branch 'master' of https://github.com/zacyu/bilibili-helper

Ready for v0.9.1 release.

fix bug

fix bug

change update information

0.8.16.27 change update information

0.8.16.26 fix bug

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/bilibili_injected.js
#	src/options.html
#	src/options.js

Enforce LF ending.