Previous commits were overlooked, they should have passed the
system context to filter_manager::setup_page_for_fitlers(), the
page context was passed instead. Regardless, the processing of
the latter is too excessive for what we need, but, more importantly,
it does not return "Off, but available" filters which we also need.

On clean theme it is absolute position and on small
screen user can't scroll to enrol user

Change box to an empty container. We are after tiny tiny changes ATM.

It was putting the label on a separate line.

It still does not match
http://v4-alpha.getbootstrap.com/components/forms/#radios
but I don't want to make radical changes before 3.2 release.

Added a description and example for the
<component>_course_module_background_deletion_recommended hook.

In 3.2 we are free of AMD lint warnings, unfortunately we can't expose
them through grunt yet due to
"File ignored because of a matching ignore pattern. Use "--no-ignore" to
override"

ps. this isn't related to MDL-57197 at all, i'm just a Rebel

Since MDL-56748 popovers are properly delegated. Making manual calls
to .popover redundant.

Sometimes the option group has no options I guess. The same check is in
exportValue.