VE-1178 Track when user clicks back button to leave the editor
VE-1178 Fix double tracking bug
VE-1178 Fix infinite parent method calls
VE-1178 Rename emitted event
VE-1178 Rename emitted event
VE-1178: Introduced two new events: popStateDeactivated and popStateActivated and use one of them for tracking when user navigates out of the editor by back button
VE-1178: Addressed minior JSCS issue
Merge pull request #4270 from Wikia/VE-1178

VE-1178 Track when user clicks back button to leave the editor