Rendering/font size

Fonts have to be reinstalled in order to have a great font-size experience.
Run `CSSFontFormatter uninstallFonts` once - reinstallation should be triggered automatically on the next use of fonts.

Closes #99 
In order to have 2pt bigger fonts for most of your standard sizes, I suggest adding 11:
`^ #(6 8 9 10 11 12 14 16 18 20 22 24 26 30 36 48).`