Turns two ERT files into one. Also fixes the ERT admin button being bork.
Disables the duplicate Response Team file. They've been unified.
Merge pull request #3388 from meyar/master

ERT fixes
Camera's got lost in the shuffle.
Merge pull request #3389 from meyar/master

Camera's got lost in the shuffle.
Fix for #3344.
Fix for #3381.
Quickfix for fix.
Merge pull request #3390 from Segrain/master

Map fixes.
Merge pull request #3387 from Zuhayr/feature

Fixes from master and dev-freeze.
Fixes #3383
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Removed a very very redundant check in the ablative armour code. Thanks Segrain.
Merge pull request #3385 from Zuhayr/master

Taser runtime fix.
Changed ERT headsets to correctly show the Supply channel

* ERT headsets now (correctly) show the Supply channel rather than the two non-existant Cargo/Mining channels.
Merge pull request #3391 from Kilakk/dev

Changed ERT headsets to show the Supply channel
Merge resolution. Discarded map changes from master because I will be damned if I'm manually merging them over prior to a dev-freeze merge.