Refactor title-font mixin
Change skilltree nodes into links

Closes #38
Add some skills
Beef up the skilltree
Refine the skilltree
Add backup and encryption skills
Ignore jekyll-assets cache
Change CNAME

Closes #41
Write a rudimentary README for the project

Closes #9
Clean and comment main.scss

Closes #42
Closes #16
Define layouts for posts, pages and tags

Closes #34