fix default theme & update to v3.1.3

Update to v3.1.2

修复sharejs编码问题

fix tocbot

fix tocbot

2019.1.24 update v 3.1.1

Merge pull request mashirozx#35 from kot4ri/patch-1

fix

Fix share plugin & Abobe Typekit -> Google Fonts

Fix issue mashirozx#20

Update version info