Merge pull request #2912 from Segrain/master

Meteor showers, engineering tapes, pill bottles.
Merge pull request #2925 from Segrain/master

Atmospheric machinery bugfix.
Fixes #2922
Putting gun away now properly lowers aim.
Prevents gun from going off if it's not in active hand.
Should fix quite a few of false positives on gun targeting.
Allows mob to click on turfs with empty hand.
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Fixes #2926
Now master alarm in area polls all other alarms and sets area alert level to highest out of them.
So no more green alarms opening lockdowns until they turn red too.
Merge pull request #2928 from comma/master

Couple of fixes
Fixes debuglog spam.
Merge pull request #2942 from comma/master

Whoopsie.
Updated readme.
Fixed the issue of missing when hitting yourself.
Merge pull request #2943 from CIB/master

Fixed self-missing
Sandbox is silly and not RP. This is an RP server and all
Merge pull request #2944 from Asanadas/master

Unticking sandbox and h_sandbox