Fixed an issue with the table-specific visibility classes
Merge branch 'master' into 5.3-wip
Revert "Revert "Added grunt-autoprefixer and grunt-contrib-cssmin tasks.""

This reverts commit 74ef685d575066aad63cb5456048802b8ba08b51.
Updating Tooltips with Data Options - c00l
Merge branch 'master' into tooltips-data-options
fixing merge coinflict
Fix implementation.
Merge master.
Modified accordion split sections for better html conformance.

The previous implementation allowed for accordions to be interrupted by
other elements like block grids.  Now the accordions do not contain a
block grid.  The separate accordion sections can be named and don't have
to be contained within the same dl.
Remove zoom:1

It's not required for IE8 and above
Don't consider unnamed accordion attributes as a group.
Replace static inline-list margin value

Margin on inline-list always set to rem-calc(22), replaced with $inline-list-default-float-list-margin
Orbit: `min-height` for slides_container (instead of `height`)

Using `min-height` (with `position:relative`) allows the slide container
to get expanded, in case it contains elements of variable height (e.g.
accordions).
Orbit: remove `.animate-in` late (just before setting `.active`)

This fixes the animations, especially with `variable_height` handling,
where the slide content would slide in, but then disappear until the
final animation of the containers height gets done / is finished.
Recommit of PR #3220 from @anitagraham:

- add events to clearing
- adds documentation for those events

with changes:

- removed extra parameter from <code>open</code> event
- updated docs to match current style
Fixed incorrect class name

Class name was missing "-grid"; didn't want the documentation to mislead anyone.
Updated docs for offcanvas with data-offcanvas
do not overwrite $pagination-li-float if set
$include-pagination-classes added
Increased preference for {{title}} in assemble template