Fix khan-exercise leaves, end of stack and badges show/hide
Handle Knowledge Layout Editor errors
Update jquery-ui-1.8.16->jquery-ui-1.8.22
Update the Topics icons/positions from the previous version of MapLayout
Handle empty parent_topic error when update topic tree
Disable the check of topicless exercises
Chop tasks in smaller tasks for publishing
Fix Topic mode Exercises
Add autoupdate fixes, and start up topictree/maplayout files
Add missing English khan-exercises