Issue #365241 by bcn, paulmarbach, xjm, chuckdeal97, skruf: Add select event to autocomplete feature

Issue #93854 by pillarsdotnet, Steven Jones, Dave Reid, ericduran, xjm, das-peter, e2thex, axel.rutz, mstrelan, mikestefff | moonray: Fixed Allow autocompletion requests to include slashes.

- Patch #172755 by c960657, klausi: autocomplete triggered when switching fields, 'undefined' written to field.

- Patch #444344 by kkaefer, sun, Rob Loach: this change introduces a jQuery .once() method which streamlines the way behavior functions work. Previously, we had to manually ensure that an element is only initialized once. Usually, this happens by adding classes and selecting only those elements which do not have that class. However, this process can be separated out into a jQuery ‘filtering’ function which does all the grunt work.

#544418 by merlinofchaos, sun, drewish, quicksketch, et al: Integrate CTools AJAX framework with Drupal to extend (and replace) existing ahah framework. Everything about AJAX/AHAH is more betterer now.

- Patch #310139 by pwolanin, c960657: drupal_query_string_encode() should not call drupal_urlencode().

#125030 by kkaefer, quicksketch, dvessel, Steven, and John Resig: Allow compatibility with other JavaScript libraries.

#201141 by yched: instead of 'HTTP error 200' messages when a PHP error occurs, actually display the PHP error message

#184867 by deekayen, catch and keith.smith: fix some spelling errors in our source code and messages printed

#118026 by kkaefer with fixes from myself: JavaScript translation support and script.js as a default theme JS file to use, if found

- #88642: Change drupal.js function separators to semi-colons.