drupalvb 5.x-2.2

Changes since DRUPAL-5--2-1:

• by sun: Fixed wrong global variable name for $cookie_domain.
• #308857 by smk-ka: Fixed usernames containing non-latin1 characters not synced due to missing encoding.
• #308860 by smk-ka: Added separate login/logout menu handlers to accommodate different session lifetimes.
• #285718 by smk-ka: Added protection against timing problems on heavy Drupal sites, where the redirector could try to register a user twice, resulting in broken user mappings.
• #308858 by smk-ka: Fixed user sessions sometimes not properly created in vBulletin due to a different vB behavior upon user login.
• #290557 by sun: Fixed bad language and timezone set for users created via DrupalvB.
• by sun: Fixed missing global $user object in forum user info block.
• #300835 by frando, sun: Added user import from vB for password recovery form.
• by sun: Fixed missing t() for private messages page in Drupal.
• #285408 by sun: Fixed initial user import cannot happen in drupalvb.install.
• #290557 by sun: Added removal of obsolete drupalvb_default_timezone variable.
• #285408 by sun: Fixed improper use of empty().
• #230678 by sun: Code clean-up in preparation for the port to D6.