Revert "Default display toggling"

This reverts commit e9939ff2f10c7e8d8779a185a8f506600b443998.
Display toggling fix

To have display set to an auto value, pass in “auto” instead of empty
quotes (“”).
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display:none w/ height & width

Fixes slideUp/Down behavior with box-sizing:border-box. Closes #121.
Thank you, @legomushroom.

Fixed issue where couldn’t get height/width values on an element set to
display:none.
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Include minified files.

Closes #166.
Include minified UI Pack in repo
Visibility Toggling

You can now set the `visibility` option just like you can `display`.
See http://velocityjs.org/#displayAndVisiblity. Closes #9.

Fixed bug that occurs with stagger + out transitions (from the UI
pack). Closes #164. Thank you, @codedependant.

You can now pass a function to the `stagger` option. Closes #163.
Closes #162. Thank you, @codedependant and @cihadturhan.
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Ability to transition inline elements

Inline elements automatically get switched to inline-block when
animated with the UI pack. This way transforms can take effect on them.
It is up to the user to ensure that they don’t transition span elements
if they don’t want them switched to inline-block. Closes #173.

Tweaked several effects to flow better.
:animating and transform value removal

Elements now get an “:animating” class when animating. Closes #172.

When transform properties hit their base values, they are removed
entirely from the element. Closes #155.
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0.8.0

Support for the vh and vw CSS units. Closes #181.

Fixes bug where value operators leaked into subsequent properties.
Closes #182.

Errors in users’ callbacks won’t halt the execution of Velocity itself.
Closes #177.

Changed the “:animating” indicator class to just “animating” for
support with querySelectorAll.

On desktop browsers, animations no longer sprint to completion (they
remain properly timed) when a tab loses then regains focus. Closes #176.

Fixed bug where the stop command wouldn’t work when an effect had a
delay. Closes #159.