[functions_groups] Fixed incorrect post being assigned to category term.
[config.default] Added categoryGroupDiscussionID config value to store term_ID of group-discussion category.
[functions_comments] Fixed references to empty indexes in .
[template_create_group_topic] Fixed issues with code not running to completion. removed exit; command.
[category-group-discussion] Added WP_Query to filter only group discussions for a the current group.