fieldset_helper 6.x-1.0

Changes since DRUPAL-6--1:

• by jrockowitz: Fixing missing commits from DRUPAL-6--1 branch
• by jrockowitz: Fixing typo in API documentation.
• by jrockowitz: Minor pre-port code tweaks for Drupal 7 and fix form alter fieldset ids to be valid DOM #id.
  • Fix '[error] PHP Notice: Undefined index:' by checking for array's index of property existance using isset(array['item']).
  • JavaScript should be compatible with other libraries than jQuery. http://drupal.org/node/224333#javascript_compatibility
• by jrockowitz: Fix: 'Warning: Call-time pass-by-reference has been deprecated
• by jrockowitz: Added SimpleTest and fixed and/or cleaned-up discovered issues.
  • Added optional DOM id param for theme_fieldset_helper_toggle_all($selector, $id);
  • Added _fieldset_helper_format_id($text) so that form_alter and theme_fieldset share the same format.
  • Added fieldset_helper_state_manager_clear_lookup_ids() to purge existing ids;
  • Added 'Clear lookup id' to admin settings form.
  • Added $clear param to fieldset_helper_state_manager_get_cookie_states() for testing purposes.
• by jrockowitz: Fixed error in fieldset_helper.test with getInfo missing 'public static' scope.
• by jrockowitz: Reviewed and cleaned up API documentation preparing for release.