Adds photocopier based faxmachine, removes redundant photocopier vars
Merge remote-tracking branch 'upstream/dev' into faxmachine
Removes excessively spammy admin log messages
Fixes duplicate antag radio messages
Bring back needed code
Fixes emergency shield generators running with no power.
Destroyed emergency shield generators no longer just disappear silently.
Merge pull request #6842 from Hubblenaut/master

Fixes duplicate antag radio messages
Merge pull request #6840 from Ravensdale/master

Removes excessively spammy admin log messages
Fixes #6868

See https://github.com/Baystation12/Baystation12/issues/6868#issuecomment-60784011
Fixes #6864.

Fix confirmed to not runtime and still causing sparks if a metallic object past through.
Agree with mwerezak that this being necessary is a bit bothersome.
Fixes #6871. Fixes #6821.

Amended to match the formatting in #6846, to hopefully avoid merge issues.
Merge pull request #6854 from mwerezak/shieldgen

Fixes emergency shield generators running with no power.
Merge pull request #6870 from PsiOmegaDelta/Diona

Fixes #6868
Fixes #6879

Should've guessed there were more of those jackers hiding in the code.
Adds sanity check for the mecha fire extingusher as well. Would rather remake it to be based on the standard extinguisher code but that's a dev project.
Ports more of /tg/'s powernet code.

Among other things this fixes a a bug where SMES would draw excess power from the powergrid they were outputting to, rather than drawing from.
Test-area
Fixes #6837

Restores two turfs to intended areas.
fixes #5796