Initial v3 work.

Adding Foundation base, switching to SASS, removing less files and old js files. Still work to be done.
Add grunt-notify dependency.
Adding grunt-notify and default notification for watch task.
Added grunt-contrib-imagemin.
Added grunt-contrib-imagemin.
Updated clearfix and normalize.css, added new mixins including opacity, text-shadow, font-face, and retina images.
Added tint and shade functions.
Fixed tabbing issues(?)
Fixed `watch` being in default tasks.
Added linear horizontal gradient mixin.
Fix function naming structure.
I should pay more attention. Renaming functions again.
Bring files up to date, removing Foundation from base, and switching to gulp.
Added Susy for a responsive grid. Removed foudation js init.
Adding initial description of Drought and tweaks to mixins and clearfix.
Updating descriptions for v4.