Merge branch 'nightly'
Tab Utilities 1.5.26
Merge branch 'nightly'
Tab Utilities 1.5.27
Function.prototype.bind
Rename group to stack
Rename "Unstack Stack" to "Dismiss Stack"
Remove "Split Stack"
siblingTabsOf
Bug 685692 - "Move to Group" should always insert the moved tab into the same place
updateStack
isCollapsedStack
isStackedTab
Mark collapsed for group-collapsed tabs
_setMenuitemAttributes
"unread" attribute cleanup
"selected" attribute cleanup
Cache selectedTabs
Adopt visibleTabs
Select tab inside stack
Reverse _tabHistory