fix(config): site.baseurl default value is root.

When adding additional pages to the site, the css links can get
messed up until you go back and set a `baseurl` entry in the config.

This makes sense to add this since the project comes with entries for
`baseurl` at the beginning.
port in latest poole changes, update rems to ems
Merge pull request #48 from Droogans/site.baseurl-default-value

fix(config): site.baseurl default value is root.
Merge branch 'master' of https://github.com/poole/lanyon
revert #36 because github pages doesn't use jekyll 2 yet
fixes #44 scope syntax changes to .highlight by pulling in latest poole changes
fixes #8: new icons
ensure IE is running in latest rendering mode
adds new .sidebar-overlay modifier class for keeping the drawer over the content when toggled
fixes #42: add js from @hnrch02 to toggle the sidebar closed when clicking on white space
updating links in upstream posts
Adding mention of purpose on about page
updating metadata
Uppdating sidebar to work with subfolder sites