[kzm_announcement] Corrected the variable name.
Merge remote-tracking branch 'Eluminsse17/features/announcements' into features/groups
[mxpress_index] Used incorrect use of get_post_type(), used get_queried_object() to get name of item being archived in is_archive() elseif scope. The current use allows the correct template to be used even if posts don't exist.
[mxpress_index] Added include_once for functions_naviagtion.php file. avoiding redeclaring in each file.
[taxonomy-category_category] Added navigation links.
[template_group_create] Added navigation links.
[template_create_group_topic] Added navigation links.
[template_single_post] Added navigation links.
[template_send_announcement] Added navigation links.