Rebase & squash all scoreboard commits

Use "Scoreboard" instead of "Scoreboards" in config to avoid breaking it

The updater was derping and unindenting "Display_Time", so we need to rename the top-level node.

Fix the readRank() access in ExperienceAPI

Make all enable/show methods consistent

Add ability cooldowns to the scoreboard

Add level-up skill board, misc fixes

Use String.equals() not ==