Several ZAS fixes.
Adds insulation to doors, modifiable by admins from the ZAS setting panel.
Fixes a logic error with connections.  (I am dumb some days)
Improves the runtime detection and reporting.
Improves "zone info" debug verb.
Merge pull request #3356 from SkyMarshal/master

Several ZAS fixes.
Merge remote-tracking branch 'upstream/master'