Fixes #475
Build #475
Added a 'lookup' formatter to the datatable-formatters module.

Includes tests
Revert "Update test to work properly on IE"

This reverts commit c0af401a19249f020cc9271d53bffd3ea1d4c429.
Fix date tests

Fixes the test case to pass the tests in your own environment. Cause is
probably the difference of time zone, the tests should pass independently
of the environment.
Fix expected value
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Fixes 2533197
Modified show/hide tests by checking for hidden attribute and added new test for toggle button
Updated example to use hidden attribute. Added toggleView example and example on how to check for visibility
Added toggle button to soure. Added condition to delegate for toggle button click event, and changed hide condition (line 30) to use identity operator instead of equality operator
Updated _show, _hide, and _isHidden methods to remove, set, and check hidden attribute, respectively. Updated comments to show new defaults and explain back-compat for useing style: display
Updated tests to use/ check for hidden attribute on node
Update tests to avoid API testing with using API
Remove unuse variable
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Remove dom-deprecated module
Remove node-deprecated module
Update history for remove dom-deprecated and node-deprecated module