WebFilings/wf-uicomponents — pull request #64 by timmccall-wf (2014-07-29 05:09:45+00:00)
Title: Change Peek Threshold to 1/3rd of Viewport

Problem
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Currently the previous/next item is scrolled into view when peeking beyond 1/2 the height of the viewport. This is too much.

Solution
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Change this to threshold to 1/3rd of the viewport height.

Unit Tests
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Modified existing tests.

How To +10/QA
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- Ensure Travis CI passes.
- `grunt qa`
- Open ScrollList demo
- Change to `peek` mode
- Drag the list so that you are peeking 1/3rd of the way into an adjacent item.
- On release, should see the adjacent item scroll into view.
- Drag so that you are not peeking more than 1/3rd of the way into an adjacent item.
- On release, should see the current item snap back to the default position in the viewport.

@lancefisher-wf @robbecker-wf @patkujawa-wf @georgelesica-wf @tomconnell-wf @todbachman-wf