Ports a psionic system from Bay. (#7717)

* Ports a psionic system from Bay.

* Rip out this shitcode.

* shitcoden't

* fixes

* it should work fully now

* Admin fixes

* Remove todos

* remove todos part 2

* Removes psi-armour. We don't need this for now.

* Skrell are now operants. Tweaks coercion.

* Adds thralls.

* Temp removal of psiarmour. Fixes psigrabs.

* Thrall assay.

* fixes

* More fixes

* unused define cleanup

* Log and powers

* Skrell powers are done.

* Update code/modules/psionics/events/mini_spasm.dm

Co-Authored-By: Geeves <ggrobler447@gmail.com>

* Update code/modules/psionics/events/mini_spasm.dm

Co-Authored-By: Geeves <ggrobler447@gmail.com>

* Update code/modules/psionics/equipment/cerebro_enhancers.dm

* did this work???

* jargon

* arrow's fixes

Co-authored-by: Geeves <ggrobler447@gmail.com>

code/controllers/subsystems/garbage-debug.dm

@@ -510,7 +510,7 @@
 	SearchVar(renegades)
 	SearchVar(revs)
 	SearchVar(malf)
-	SearchVar(vampire_thrall)
+	SearchVar(thralls)
 	SearchVar(traitors)
 	SearchVar(vamp)
 	SearchVar(forced_ambiance_list)