Remove the 'docs' target from the windows make file

Migrate CI and packaging from Travis CI to GitHub Actions.

Correct the support dir location in ExtractSettingsDocsCommand

Correct the support dir location in ExtractSettingsDocsCommand

Treat transit-only tiles as invalid locations for minelayers

RA Balance patch

Notify blockers upon paradropping

Fix wiki script again.

Fix key repeat events queueing many deploy/scatter/stop orders.

Fix activity cancellation on FlyAttack RTB.

* AbortOnResupply will now cancel queued activities
  in addition to the current attack.
* Resupply if no ammo is available during a standard attack.
* Don't resupply (move directly to target) if no ammo is available
  during an attack move (C&C3 style).