Fix ID of buttons section on javascript page

The old ID caused the link on affix to not work.

* No more need for `.row.form-group`--only need `.form-group`
* Change tag selectors for inline form to use `.form-control`
* Docs improved to explain what's happening

Fix example of textarea in css.html

Conflicts:
	css.html

Not sure when or how this happened, but I just noticed it—4 spaces were
used instead of 2.

* Drop progress bar text-shadow
* Reorganize popover and tooltip vars and fix complier error due to
missing `;`
* Run `grunt`

align dropdown menu with .pull-right for .input-group-btn when btn on ri...

Update typo css.html move double class .form-control from label in examp...

Fix #8623

It's Grunt, not GruntJS :)

missed the double class in label in recent commit #8621

use .form-group to apply consistent vertical spacing on form rows

to use .row.form-group for horizontal spacing instead of .form-horizontal .row + .row

Moved pager, pagination, popovers, tooltip, progress bars & type
properties to variables.less