import Jekyll-on-Windows instructions from Bootstrap's README
Merge pull request #266 from twbs/win-jekyll-readme

import Jekyll-on-Windows instructions from Bootstrap's README
add licensing header to Gruntfile
Merge pull request #279 from twbs/gruntfile-license

add licensing header to Gruntfile
use load-grunt-tasks to load Grunt tasks
Merge pull request #284 from twbs/load-grunt-tasks

use load-grunt-tasks to load Grunt tasks
Gruntfile: use strict & force Unix newlines
Merge pull request #286 from twbs/gruntfile-tweak

Gruntfile: use strict & force Unix newlines
use /*! for attribution banner so it survives minification
fix capitalization of JavaScript
JS & CSS are the default for <script> & <style>
Merge pull request #287 from twbs/slash-star-bang

use /*! for attribution banner so it survives minification
Merge pull request #288 from twbs/use-defaults

JS & CSS are the default for <script> & <style>
Add cssmin & uglify grunt tasks.
hyperlink licenses in docs footer
add docs footer links

refs #267
copy SemVer explanation from Bootstrap's README; fixes #268
Merge pull request #294 from twbs/docs-licenses-links

hyperlink licenses in docs footer
Merge pull request #295 from twbs/versioning-policy-readme

copy SemVer explanation from Bootstrap's README
Merge pull request #289 from connor/grunt_min_cssmin

Add cssmin & uglify grunt tasks.