Use directives to verify class styles.
Switch list to use toMatchER with ER recording.
Merge branch 'master' into repo-split

Conflicts:
	gulpfile.js
Up helpers version number to support ER matching and recording.
Use vui-tester module for preliminary testing of list.
Refactor less mixins to be more learnable.
Add some ERs for list testing.
Fix class names for list items (use adjoining classes).
Refactor the list item tests to prevent copy-pasting in the future.
Side effect: alphabetization of ERs! Nice!
semicolon
Add tests for combinations of vui-list modifiers and vui-list's child modifiers. Update ERs.
Make a little change to border styles (and I tested it!)
Merge pull request #8 from Desire2Learn-Valence/nstonehouse/repo-split/list-tests

Nstonehouse/repo split/list tests