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.
Removed reference to :b in drone spawn text.
Merge pull request #5359 from Baystation12/master

master -> dev