Revert "Подсветка с помощью Highlight.js"

This reverts commit 0a126aa78688e167bfd14348c12a238d144b436f.

Conflicts:
	index.html
	javascripts/script.js
Revert "Revert "Добавил подсветку кода google-code-prettify""

This reverts commit cee00baadd456dfa4067deadf7e4cb5bb229d1be.

Conflicts:
	javascripts/script.js