THIS IS NO LONGER NEEDED AS THIS HAS BEEN IMPLEMENTED INTO ELVUI.
Adds an overlay to the ElvUI XP bar to show how much potential experience is in your quest log while leveling to get an idea of how much XP you will get once the quest is turned in.
Configuration can be found in /ec > DataBars > XP Bar > QuestXP Header
Configs:
Set the bar's color
Include Incomplete Quests
Current Zone Only