Robots can now be rebuilt after destruction.

Robotic borgs now have a circuit which can be re-installed in a new chassi after the destruction of the original.
Merge remote-tracking branch 'upstream/dev' into RoboCircuit
Updates the posibrain path on map.
Merge remote-tracking branch 'upstream/dev' into RoboCircuit

Conflicts:
	code/modules/mob/living/carbon/brain/posibrain.dm
	maps/exodus-1.dmm
Merge pull request #7152 from PsiOmegaDelta/RoboCircuit

Robo circuit