Makes electrical resistance protect the player from angry computers.
Fix overmap performance issue -- make checking if the player has a pda a whole lot faster.
Fiddly little braces.
Merge branch 'console-trap-fix' of https://github.com/Rivet-the-Zombie/Cataclysm-DDA into Rivet-the-Zombie-console-trap-fix
don't display npc skill level increase messages
Add fusion blaster fake gun to trader avoid.

Thanks to IRCer cosmodius95 for playing with NPCs on and reporting
oddities!
Per request, also add finger laser and lightning.

Thank you, @John-Candlebury.
Merge pull request #6553 from dvolk/suppress_npc_levels

don't display npc skill level increase messages
Merge pull request #6556 from narc0tiq/no-fusion-arms-on-npcs

Add fusion blaster fake gun to trader avoid.