Merge branch 'CON-Venus' into CON-1700
CON-1700: Make notifications scrollable
CON-1700: Increased z-index
CON-1700: Changes after CR
CON-1700: Changed colors to vars
CON-1700: accidental typo
CON-1700: Fix for notifications on IE
CON-1700: Fixed scrollbar in notifications for MAC
Merge pull request #4831 from Wikia/CON-1700

Con 1700 Make notifications scrollable