Fix docs typos
Test removal of print styles for customized builds
Restore print styles
Merge conflicts
lowered carousel beneath the nav
Refactor input groups

* Deprecate .input-append and .input-prepend
* Use new, single base class for component, .input-group
* Deprecate .addon for .input-group-addon
* For compatibility with all buttons, require .input-group-btn to wrap buttons and button dropdowns
* Still need to reimplement with segmented button dropdowns, but that's dependent on a refactor of those first
Nested columns docs tweaks
Fix checkbox and radios example
Update .dropdown-menu selectors to avoid conflicts with other elements. Fixes #6197
fixes #5605: style as disabled all form controls & btns under a disabled fieldset

this is a resubmission of #5875, but now against branch 3.0.0-wip
does not exclude elements under a fieldset's legend
issue #6058 is a duplicate of #5605
Merge pull request #6195 from nathanb/example-carousel-nav-fix

lowered carousel beneath the nav (in carousel example)
document fieldset[disabled] styling added in #6199; per @mdo
document caveat regarding fieldset legend and #6199
move reset after vars and mixins
squash new line
Move IE10 responsive fix to responsive utilities so Customizer gets it
Simplify syntax of nesting with inline lists
IE10 fix in responsive utilities, not regular utilities
Escape HTML of section element
Fixes #6174: Caret alignment in small and mini buttons