Fix some jquery UI styles to match the Larry skin
Fix displaying error messages without timeout
Fix dialog close button focus border in Firefox
Warn for unsent/unsaved message when closing compose window; remove localStorage copy if page was left intentionally but not on session errors (#1489818)
Fix error when activeCell is not defined
Small css fix for delete icon on messages list
Fix TinyMCE buttons in webkit browsers
Fix sorting messages by size on servers without SORT capability (#1489981)