Removed ability for drones to talk on Binary.
Added extra bit of info to drone spawn.
Fixes #5323
Fixes #5339
Drones now have plasma cutters instead of emags.
Merge pull request #5350 from Zuhayr/master

Drone tweaks.
Moved scooping into a separate helper.
Removed reference to :b in drone spawn text.
Merge pull request #5355 from comma/holder

Moved scooping into a separate helper.
Update cat.dm
Merge pull request #5359 from Baystation12/master

master -> dev
Merge pull request #5357 from Zuhayr/dev

Mining tweaks, removal of debug/cruft, balancing of values.
Uncommented gateway spawn point.