Rename "Forum" roles on inst dash LMS-2092

lms/templates/instructor/instructor_dashboard_2/membership.html

@@ -71,7 +71,7 @@
     <p>
       ${_("Staff cannot modify staff or beta tester lists. To modify these lists, "
       "contact your instructor and ask them to add you as an instructor for staff "
-      "and beta lists, or a forum admin for forum management.")}
+      "and beta lists, or a discussion admin for discussion management.")}
     </p>
   %endif
 
@@ -94,7 +94,7 @@
       data-display-name="${_("Instructors")}"
       data-info-text="
         ${_("Instructors are the core administration of your course. Instructors can "
-        "add and remove course staff, as well as administer forum access.")}"
+        "add and remove course staff, as well as administer discussion access.")}"
       data-list-endpoint="${ section_data['list_course_role_members_url'] }"
       data-modify-endpoint="${ section_data['modify_access_url'] }"
       data-add-button-label="${_("Add Instructor")}"
@@ -114,23 +114,23 @@
 
     <div class="auth-list-container"
       data-rolename="Administrator"
-      data-display-name="${_("Forum Admins")}"
+      data-display-name="${_("Discussion Admins")}"
       data-info-text="
-        ${_("Forum admins can edit or delete any post, clear misuse flags, close "
+        ${_("Discussion admins can edit or delete any post, clear misuse flags, close "
          "and re-open threads, endorse responses, and see posts from all cohorts. "
          "They CAN add/delete other moderators and their posts are marked as 'staff'.")}"
       data-list-endpoint="${ section_data['list_forum_members_url'] }"
       data-modify-endpoint="${ section_data['update_forum_role_membership_url'] }"
-      data-add-button-label="Add ${_("Forum Admin")}"
+      data-add-button-label="Add ${_("Discussion Admin")}"
     ></div>
   %endif
 
   %if section_data['access']['instructor'] or section_data['access']['forum_admin']:
     <div class="auth-list-container"
       data-rolename="Moderator"
-      data-display-name="${_("Forum Moderators")}"
+      data-display-name="${_("Discussion Moderators")}"
       data-info-text="
-        ${_("Forum moderators can edit or delete any post, clear misuse flags, close "
+        ${_("Discussion moderators can edit or delete any post, clear misuse flags, close "
          "and re-open threads, endorse responses, and see posts from all cohorts. "
          "They CANNOT add/delete other moderators and their posts are marked as 'staff'.")}"
       data-list-endpoint="${ section_data['list_forum_members_url'] }"
@@ -140,10 +140,10 @@
 
     <div class="auth-list-container"
       data-rolename="Community TA"
-      data-display-name="${_("Forum Community TAs")}"
+      data-display-name="${_("Discussion Community TAs")}"
       data-info-text="
         ${_("Community TA's are members of the community whom you deem particularly "
-        "helpful on the forums. They can edit or delete any post, clear misuse flags, "
+        "helpful on the discussion boards. They can edit or delete any post, clear misuse flags, "
         "close and re-open threads, endorse responses, and see posts from all cohorts. "
         "Their posts are marked 'Community TA'.")}"
       data-list-endpoint="${ section_data['list_forum_members_url'] }"