Types: Add Date type

Fixes jquery/api.jqueryui.com#194
Closes gh-445
Types: Punctuation. No ticket.
1.11.4
get.xml: Add note about returning undefined when number out of bounds
closest.xml: Sublist  should be indented for style consistency with sublist

Closes #394.

Author:    Aurelio De Rosa <aurelioderosa@gmail.com>
Fix Event Object url.
Closes #402
.width() and .height(): synhronize documentation

* Include the style/script warning
* Follow the style guide for comments
* Ref jQuery #14545
* Closes #403
.filter: Update signature. An array of elements works as well. Closes #396
.removeData(): Fix a small typo. Closes #400
.nextUntil(): Make explicit that element can be a jQuery object.

Closes #404
.prevUntil(), .parentsUntil(): Make explicit that Element can be a jQuery object.
.triggerHandler(): Use "triggered" (not "created"). Closes #428
.clone(): Specify which form controls maintain state when cloned.

Fixes #381. Closes #382
.val(): Be more clear about when null is returned

Ref jQuery #14654
Closes #406
.text(): Include Number and Boolean types for argument. Closes #460
1.11.5
Build: Normalize line endings
load: Don't rely on site content for demo

Fixes gh-475
1.11.6
.get(): Fix description for negative indexes. Closes #481