2.1. More complete Stylelint config

Adding needful rules to .stylelintrc.

2.0. Stylelint instead CSScomb

CSScomb.js is not actively developing library of small team, Stylelint is updated every day by the whole world. Another advantage is you usually have Stylelint in the project so you don't need extra library for proper style rules order.

1.0. CSScomb Support

Ready starter with critical extensions