wip
Add Jekyll pandoc plugin from github/dsanson/jekyll-pandoc-plugin/master
wip
wip
Add alpha-me() RGBa fallback mixin.

From http://codepen.io/cballenar/pen/tdznk, via
http://thesassway.com/intermediate/mixins-for-semi-transparent-colors
and see also http://codepen.io/flodar/pen/mixoc
Remove demo styles from alpha-me() mixin.
Rename littlebluelib -> littleblue.
WIP.