Fixes #8335. Do not allow add data to non-elements (2.x). Closes gh-1232
Revert Sizzle. Reopens #13378
No ticket. Simplifies data methods and updates comments. Closes gh-1233
No ticket. Use data_priv methods instead of jQuery._removeData and jQuery._data; Remove needless, internal second argument of jQuery.cleanData. Closes gh-1234
Update Sizzle: pick IE over Chrome this time. Supplements #13378.
No ticket. Add additional test for jQuery.queue. Closes gh-1235
Move Data.prototype.accept => Data.accepts

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Add note about deprecation of _removeData and _data

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>