excavation gear belts can now hold pick sets, pick sets can no longer hold hand picks (they spawn in the locker instead), picks and measuring tapes now work much faster

Signed-off-by: Cael Aislinn <cael_aislinn@yahoo.com.au>
depth scanner should now properly show the responsive material of a find

Signed-off-by: Cael Aislinn <cael_aislinn@yahoo.com.au>
halved the length of xenoarch scans, scans actually shut down when they exceed the safety by too much

Signed-off-by: Cael Aislinn <cael_aislinn@yahoo.com.au>
changelog update

Signed-off-by: Cael Aislinn <cael_aislinn@yahoo.com.au>
Merge pull request #3134 from caelaislinn/master

Xenoarchaeology tweaks
Merge pull request #3136 from meyar/master

Security missing blast doors
ZAS fixes, implements multi-tile doors (That work perfectly!)
That multi-tile firedoor needs love.  Lots of love. (It is missing a lot of icon states)
Forgot the files, doh!
Merge pull request #3150 from SkyMarshal/master

ZAS fixes, implements multi-tile doors (That work perfectly!)
Merge pull request #3155 from Zuhayr/master

Bug fixes.
Fixes #3145
Fixes #2815
Fixes #3146
Fixes #3154
Merge pull request #3159 from Zuhayr/master

AIize() runtime fix.