List: Clean up observers that will never be used; refs #642
Fix #647: OnDemandList: Insert first row properly between preload nodes
CHANGES.md: Note fix for new row insertion issue
Add Thai language translations for Pagination extension
Pagination: Add simplified and traditional Chinese localizations
CHANGES.md: note additional Pagination nls translations
Fix #642: OnDemandList: Refactor how store observers are pruned
CHANGES.md: Note observer cleanup fixes
Fix #674: selector: Remove unnecessary check
CHANGES.md: Note selector select-all regression fix
List: don't immediately remove observers for empty result sets; refs #677
OnDemandList: fix noDataNode placement logic; refs #677

Position noDataNode between the two preload nodes to prevent issues later
when inserting new rows
Fix #624: Don't iterate arrays of columns with a for-in loop
CHANGES.md: Note array iteration fixes