Adjustment to melee weapon embedding, so that axes don't instantly get ripped out of your hands in combat.
Air alarm improvements.  Adds Central Atmos Control and a buffer between server room and station.
Fixes #3074
Fixes #3069
Fixes #2909
Merge pull request #3089 from SkyMarshal/airfixes

Air alarm improvements.  Adds Central Atmos Control and a buffer between server room and station.
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12
Using BEF map.
Bug fixes for embedding/pinning code.
Merge pull request #3094 from Zuhayr/master

Projectile fixes.