update nav for getting started migration
fixes #9790: nullify right padding in container-ed navbars when last element in collapse is a right aligned navbar nav
Optimize images using lossless compression
Fix examples url in _layouts/home.html
Merge pull request #9793 from vsn4ik/fix_examples_url

Fix examples url in _layouts/home.html
fix wrong closing tag on Glyphicons-in-buttons examples
Merge pull request #9796 from twbs/fix-glyphicons-btns-docs

fix wrong closing tags on Glyphicons-in-buttons examples
rename HTML5 validation Grunt task since it checks the examples too
make Recess part of the Grunt test task to guard against bad LESS
Add a .navbar-default class for default colors

* Extract color styles from .navbar { } and put them into
.navbar-default { }
* Change variable names
* Change the docs accordingly (i.e., add the .navbar-default class to
all default navbars)
* Change customizer accordingly
Nesting for link styles
Fix some forgotten things for navbar-default

New variable names were missing here and there.
rm redundant ampersands from button-groups LESS
fixes #9803: label and input alignment in horizontal forms
Merge pull request #9800 from ZDroid/patch-1

Nesting for link styles
regenerate Glyphicons LESS from their website; fixes some wrong codepoint numbers
Merge pull request #9804 from twbs/redundant-ampersands

rm redundant ampersands from button-groups LESS
tweak some of the Glyphicon class names to match Bootstrap conventions
regenerate CSS
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip