AI no longer calls support power on things it can't target (e.g. cloaked stealth tanks)
More TS art fixes.
Remove unnecessary conditionals

- Game.modData.Manifest.LuaScripts is never null.
- context.LoadLuaScripts will work properly even if the file collection is empty.
Update AUTHORS
Allow armaments to be enabled/disabled by upgrades.
Don’t die when connecting to a full server.
Don’t double-remove dead actors from the world.
Convert SelfHealing to upgrades.
Add self-healing for elite units.
Merge pull request #6488 from jonathanmiles/support-power-targetability

AI no longer calls support power on things it can't target
Merge pull request #6575 from pchote/selfhealing

Add elite self-healing bonus
Merge pull request #6577 from pchote/fix-validation

Don’t die when connecting to a full server.
Merge pull request #6569 from jacobdufault/add-author

Update AUTHORS
Merge pull request #6553 from Phrohdoh/TSGridFixes

More TS art offset fixes.
Merge pull request #6576 from pchote/armaments

Allow armaments to be enabled/disabled by upgrades.
TS elite weapons
Fixed wrong constructionyard placing on map brimstone
fix typos again
Merge pull request #6582 from Mailaender/lua-script-docs-typo-fix

Fixed typos in the Lua API intro again
Merge pull request #6581 from abcdefg30/brimstone

Closes #5788