The child selector-prefix branch doesn't work with selectors that have a larger depth. Removing for now - will need to re-evaluate in the future.

The world isn't ready for moving the Ajax methods to jQuery.ajax.*. Hope to move them there some day. Fixes #7146.

Handle some edge cases with binding events to the window object (which is also a plain object - causing some confusion). Fixes #7143.

Disable 304/Not Modified Ajax tests in Opera due to lack of suitable workaround. See: http://gist.github.com/599419

Make sure that the unload event doesn't leak in IE - use jQuery's binding mechanism to make that happen.

Fix the case where live change was breaking if a live click was bound ahead of time. Very similar to #6359. Fixes #6505.

Name the try/catch arg to satisfy JSLint - thanks to @rwldrn in 873c2842 for the catch.