Article excerps

[char0n]

http://jekyllrb.com/docs/posts/#post-excerpts

Each excerpt should explain to the reader what it is that he learns when the reader reads the article.

[char0n]

Fixed in https://github.com/char0n/vladimirgorej.com/commit/d419d3fa056dace85edd3a0c0984ae574c0bb589