Bug fixes

#753326: Missing parenthesis in apachesolr_ajax_url_to_state() Fix missing parenthesis. Check for Drupal.behaviors.apachesolr.

* bug fix: plenty minor bugs
* support: content_taxonomy_autocomplete (before it wasn't handled at all)
* feature: Access Control Policies
* feature: Node Edition Policy
* update_6002: checks for proper upgrade (i.e. old/new files existence) no action will be performed in any case
* API: split Driven API (i.e. MAJOR REFACTOR)

See release notes for v 2.4 (For some reason there was a packing script error).

fixed compatibility for Drupal 6.16

Fix for installation file not being named properly.

Added nquocbao's cleanup patch, added administer sites perm, added Current Site Details block, got the access hook working a little better.