Merge pull request #10006 from jodytate/master

remove .btn-group
Update Grunt instruction links and wording
add David (david-dm.org) badge to monitor currentness of dependencies
Merge pull request #10011 from nschonni/patch-1

Update Grunt instruction links and wording
Use NPM version of grunt-html-validation

The package is now published, so the direct git url is no longer
required
Merge pull request #10034 from nschonni/use-published-version-for-grunt-html-validation

Use NPM version of grunt-html-validation
add cross-reference to .navbar-left/right in .pull-left/right docs
fix #10029
Update Grunt instruction links and wording
Use NPM version of grunt-html-validation

The package is now published, so the direct git url is no longer
required
fix #10029
update outdated JSFiddle example
Merge pull request #10040 from twbs/pull-navbar-docs

add cross-reference to .navbar-left/right in .pull-left/right docs
Merge pull request #10012 from twbs/david-badge

add David (david-dm.org) badge to monitor currentness of dependencies
Merge remote-tracking branch 'upstream/master'
a few javascript.html documentation edits

- a comma before "or" is only used when joining two independent clauses
- "This looks like this" is redundant and colon can introduce the
example just as well.
- Phrases beginning with "There may be" and other variations can usually
be compressed
- capitalized API for consistency