docs changes, more type improvements, add grid system basics back
code changes
mobile-first navs, navbar, grids, and type
Add text alignment classes info to docs
adding class to example code
Update docs/templates/pages/components.mustache
Merge pull request #6591 from Quy/2.3.0-wip

Add text alignment classes info to docs
Merge pull request #6600 from Yohn/patch-12

added missing class to doc example
remove extra border-radius props
Port over temp responsive styles to bootstrap.less; readd buttons
mo betta type margins for headings
add back docs footer
Derp on type styles a bit more; bring back and fix up more more docs styles
more subhead/jumbotron tweaks for docs
restore table styles
twerk docs code examples
Re-add and update form styles:

* Restore forms.less file
* Overhaul .radio.inline .checkbox.inline to be .radio-inline or .checkbox-inline
* Update docs to reflect changes
restore glyphicons
Restore responsive docs
Restore dropdowns.less