Merge pull request #500 from z16/4.1

Various changes to libs and addons.
Merge pull request #501 from z16/4.1

Battlemod: Return trueage
Merge pull request #502 from z16/4.1

Enternity/Texts adjustments
Update display.lua
Merge pull request #503 from nitrous24/patch-1

Update display.lua
Addon updates to not rely on event_name

Also misc. changes to _addon for different addons.
Merge pull request #504 from z16/4.1

VWHL, THTracker: Adjusted to new API
Merge pull request #12 from Windower/4.1

4.1