Load one breakpoint group by its identifier.
@todo Remove this in a follow-up issue.
string $id: The id of the breakpoint group to load.
Drupal\breakpoint\Plugin\Core\Entity\BreakpointGroup|false The breakpoint group, or FALSE if there is no entity with the given id.
http://drupal.org/node/1798214
function breakpoint_group_load($id) {
return entity_load('breakpoint_group', $id);
}