admin_menu 6.x-3.0-alpha1

Changes since DRUPAL-6--1-4:

• #373372 by sun: Turned procedural JavaScript into admin menu behaviors.
• #373339 by sun: Fixed double-escaped 'Edit ' link titles.
• #384100 by kepol, sun: Fixed content-type items displayed in wrong place.
• #315342 by wulff: Added "My account" link (by splitting the "Log out" item).
• #349505 by smk-ka, sun: Performance: Added caching of entire menu output.
• Synced 6.x-3.x with HEAD.
• by sun: Major code clean-up and sync across 3.x branches.
• #406672 by mr.j, sun: Fixed "Move local tasks" option leaves stale UL.
• #415196 by psynaptic: Updated for CSS coding standards.
• #345984 by sun: Code clean-up in preparation for client-side caching.
• #349169 by sun: Fixed Devel switch user links contain multiple path prefixes.
• #345984 by markus_petrux, sun: Added client-side caching of administration menu.
  Attention: A new era of Drupal user experience starts here. This is the very
  first issue of a series of improvements targeting plain awesomeness.
• by Dave Reid: Removed unnecessary schema description from update.
• #420840 by sun: Fixed Drupal.behaviors.adminMenu must be only executed once.
• #420828 by sun: Added dynamic replacements for cached administration menu.
• by Dave Reid: Updated for getInfo() in tests.
• #451270 by sun: Added visual indication when working as uid 1.
• by sun: Fixed admin_menu_suppress() does not suppress margin-top.
• #458460 by seals: Updated Swedish translation.
• #471504 by wulff: Updated Danish translation.
• #469716 by sun: Fixed wrong AJAX callback URL under various conditions.
• #479922 by danep: Fixed fieldsets not collapsed on admin/build/modules/list.
• #483152 by sun: Fixed admin_menu caches not flushed when clean URLs are toggled.
• by hass: German translation updated
  * Renamed "Administration menu" to "Verwaltungs-Menü" like core does for "Verwaltungs-Theme".
  * A few other corrections and typos fixed
• #483870 by sun: Fixed compatibility with new Admin module.
• #236657 by sun: Updated for corrected arguments of system_clear_cache_submit().
• #236657 by sun: Updated for corrected arguments of system_clear_cache_submit(). (follow-up)