Fixing of these 2 issues:
marjina-constantin, Xano, gunwald
Issues: 3 issues resolved.
Changes since 7.x-1.0:
IE Support added for CustomEvent.
Use document.createEvent( 'CustomEvent' ) if CustomEvent() isn't available
Bugfix release. See commit log for details
#2859214: Serialization/Deadlock issue under high load #2971414: Using an alias