Fix image paths and carousel controls for carousel example
Update carousel-caption btn styles
Add carousel indicators to example
Additional cleanup to responsive navbar
only negative indent nested grid rows; add new grid example
Merge branch '3.0.0-wip-carousel' of https://github.com/burnsra/bootstrap into burnsra-3.0.0-wip-carousel
Fix link to navbar doc
Fix corss link for sticky footer
Replace png img by holder.js in carousel example
Improve responsiveness for tablet and below of navbar in carousel example

- Remove margin-top of navbar-wrapper
- Remove border radius of navbar
- Space out the carousel
refactor some of the carousel caption stuff to center it and tighten styles up; update carousel template to start to redo mobile first
Update examples after overhaul of navbar navs
Update examples after grid changes
Corrected typo in carousel.html

Changed text from "First featurette headling" to "First featurette heading" in the first `h2.featurette-heading` tag.
Use padding instead of #push with box-sizing: border-box
Merge pull request #7769 from holic/3.0.0-sticky-footer

Use padding instead of #push with box-sizing: border-box
Update justified nav CSS for proper selectors
correct right nav in navbar examples
add offcanvas layout example based on bradfrost/this-is-responsive
add offcanvas layout example based on bradfrost/this-is-responsive