number lists correctly (block and inline lists)
add partial support for list data-item-sep attribute
flip the order for debugging
mark list data-mark-prefix and suffix as not implemented
remove asterisk in selector for CSS linter
add noUniversalSelectors:false for debugging
rename mixins to help clarify
comments and mixin renaming
Merge pull request #279 from Connexions/list-style

style lists based on their attributes