Greasemonkey 0.8.5 Release

Greasemonkey 0.8.5 is a maintenance release, with these fixes and improvements:

• Add an abort() method for GM_xmlhttpRequest. (#1007)
• Increase compatibility with bleeding-edge Firefox versions. (#1054)
• Display a "welcome" page to new users when they install. (#1006)
• Fix hooking into the console object for Firebug 1.5.
  

Thanks very much to our users on the mailing list that caught a few issues in the release candidates.