Testing skeleton
Remove vui-checkbox (-container) references, since they are not currently used for anything.
Split less file out into new less mixins for list and list-item.
Add #vui namespace to avoid conflicts.
Rename #valence-ui to #vui
Merge pull request #2 from Desire2Learn-Valence/nstonehouse/repo-split/field-mixins

Nstonehouse/repo split/field mixins