Landing pull request 478. Apply fixes as noted by Diego Perini, David Murdoch & Mathias Bynens. Supplements #9634 Fixes #9634.

    More Details:
     - https://github.com/jquery/jquery/pull/478
     - http://bugs.jquery.com/ticket/9634

More Details:
 - https://github.com/jquery/jquery/pull/476
 - http://bugs.jquery.com/ticket/10021

This reverts commit dd93d0eb.

This reverts commit 09fe3ea2.

Fixes #9897. Wrap obj.constructor test in try/catch to avoid problems with host objects. Thanks to bkrausz.

Fixes #10021. Allow negative relative values for `.css()` 

Fixes #10076. $.inArray crashes IE6 and Chrome if second argument is `null` or `undefined` (Thanks anton-ryzhov!)

Fixes #10080. Test cache for window inference.

Fixes #10098. Avoid a slashy-starry char sequence to prevent T-Mobile (and other brain-damaged) script compression breaking jQuery.

Fixes #9521. Prioritize #id over <tag> to avoid XSS via location.hash.

Fixes #10098. Avoid a slashy-starry char sequence in literal strings to evade faulty script compressors.

Revert "Landing pull request 461. Adds a due diligence check for pre-defined data-* attrs during removal. Fixes #10026."

This reverts commit 6805fc2c.

A more cache-friendly solution is in the works.

Landing pull request 461. Adds a due diligence check for pre-defined data-* attrs during removal. Fixes #10026.

More Details:
 - https://github.com/jquery/jquery/pull/461
 - http://bugs.jquery.com/ticket/10026

Landing pull request 463. Fixes #9572. Don't camelize the `-ms-` prefix because Microsoft didn't. A Fixes #9572.

More Details:
 - https://github.com/jquery/jquery/pull/463
 - http://bugs.jquery.com/ticket/9572

More Details:
 - https://github.com/jquery/jquery/pull/459
 - http://bugs.jquery.com/ticket/8235

More Details:
 - https://github.com/jquery/jquery/pull/467

More Details:
 - https://github.com/jquery/jquery/pull/466

Codestyle fixes

Fixes #10021. Allow negative relative values for `.css()` (e.g., `"+=-20px"`) since `.animate()` already allows it. Useful for when the relative value is a variable.

Improves support for arbitrary numbers in data keys. Fixes #9318

Supports interoperable removal of hyphenated/camelCase properties. Fixes #9413

Fixes assertion counts and dom element fixture issue