Added a 'lookup' formatter to the datatable-formatters module.

Includes tests
Merge branch 'dev-3.x' into dropdown-formatter

Conflicts:
	src/datatable/tests/unit/assets/datatable-body-tests.js
The lookup formatter now takes both an ordered array and
a simple object as a map
I fixed the declaration for the module so it doesn't
show as automatically rolled up into the datatable module.
Merge branch 'dev-3.x' into dropdown-formatter
Fixed regression introduced in 3.10.0, with stale facade properties sticking
around in the case of "no subscribers".

Added unit tests for both the subscriber and no subscriber case.

All unit tests pass:
✔ [Total]: Passed: 10859 Failed: 0 Total: 10954 (ignored 95)

Slider functional tests pass.
Slider examples work manually.

This impacted slider's thumbMove defaultFn which was using a "source" property
added to the facade to figure out whether to set the value or not, and
commonly had no listeners (only surfaced by manual testing, which was why
it got missed - unit and functional tests all passed).
Added on subscribers fresh facade test also
Merge branch 'dev-3.x' into dropdown-formatter
Added on subscribers fresh facade test for real this time
Update HISTORY.md

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Update to incorrect file.
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Reformat and link to wiki.
Update Gallery tag to gallery-2013.05.02-22-59.
Merge branch 'dev-master' into dev-3.x
Merge branch 'master' of github.com:yui/yui3 into dev-master
Test calling stop inside a callback in AsyncQueue (failing)
Fix the stop method in AsyncQueue to always fire the 'complete' event
Test until depending on the previous callback execution + pause occurred in the previous callback (failing)
Fix calling next too early (which triggers the execution of the until method of the following callback too early)