Cannot e-mag unpowered doors.
Ninja e-blade can now force emergency shutters open.

Unlike doors it will not permanently break them, at least until emergency shutters can be reconstructed.
Merge pull request #6316 from PsiOmegaDelta/Emag

Can no longer e-mag unpowered doors
Merge pull request #6317 from PsiOmegaDelta/Emergency

E-blades can now force emergency shutters open
updating turf gas overlays is now delta-based

Fixes issues with mine turfs and other turfs that use overlays.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Merge pull request #6322 from Mloc/bs12-power

updating turf gas overlays is now delta-based
Merge pull request #6315 from mwerezak/engine

Dev-freeze fixes and tweaks
Reducing freezer power draw.
Merge pull request #6330 from Zuhayr/dev-freeze

Reducing freezer power draw.
Increases SM power output

Should safely run to 700 kW. Returned starting SMES charge back to
original value to compensate. Engine omnifilters now start off on round
start.