Fixes #7796: change @list-group-active-text to @list-group-active-color
nuke the unused navbar that was leftover
Update forms

* Overhaul the form control sizing section to only show sizing via grid columns as parents, not as classes on inputs
* Restore the inline-form option
* Restore the bottom margin on form controls and make them block level instead of inline-block
* More misc docs cleanup for forms
indentation fix
Update jekyll setup so works for both localhost and github project page.