template: Fix template to not show `share` when the list is empty

Fixed a bug when using the post style for the homepage.

Fix a problem with the blockquote in the black theme

add valine comments params

add valine comments

add valine comments

Now user can choose to use local avatar or gravatar

Added ability to verify the site with baidu webmaster tool

Added the ability to simply verify the site with pinterest

Added ability to verify the site with bing and yandex webmaster tool

Added link to Google Scholar and Researchgate

Update README.md: changed www.silke.henderickx.be from https to http.

Added more social links
AngelList, Slideshare, Jsfiddle, Deviantart, Behance, Dribble, Wordpress, Vine

Fixed a bug that give problems with the visualization of the Roboto font.

Added social links to Zhihu and Douban