Upgrade to final 1.5.0 prototype.js release

[Mike_Koepke]

Prototype.js 1.5.0 was officially released on Jan. 18th (​http://prototypejs.org/). WP should include the official release.

Additionally, script.aculo.us 1.7 was released on Jan. 19th ( ​http://script.aculo.us/downloads). "script.aculo.us 1.7.0 is an update
recommended for all users."

Finally, prototype.js is included in both the wp-includes\js and wp-includes\js\scriptaculous directories. There should probably be only one version included.

[ryan]

Prototype 1.5.0 and scriptaculous 1.7.0 patch

[ryan]

Patch brings prototype and scriptaculous up-to-date, but AJAX list manipulation seems to be broken. Deletes are returning -1. Will dig into it later.

[ryan]

cookie is not being delivered in POST so we fail check_ajax_referer(). Gonna pass to mdawaffe.

[mdawaffe]

Attached fixes.

1. #3645 (this)
2. #3676
3. #3519

[ryan]

(In [4813]) Update to prototype 1.5.0 and scriptaculous 1.7.0. Fix some AJAXy bits. Props mdawaffe. fixes #3645 #3676 #3519