Fixes #123 - for Rev

The bug was caused by objectiveless antags. I could've tinkered with adding objectivelessness checks everywhere, but I reckoned that taking down heads is the entire point of the mode and it's the hows and whys that remain up to players, as they did before, so I removed them from the mode code altogether.
Fixes #123 - for RpRev

See #132 for details. Same thing, different mode.
Eep, missed one.
I am the tabbing god *facepalm*
Tabs for the tab god!

Indents for the indent throne!
Merge pull request #132 from scrdest/patch-1

Fixes #123 - for Rev
Merge pull request #133 from scrdest/patch-2

Fixes #123 - for RpRev
Bunch of icons for upcoming things.
Merge branch 'master' of https://github.com/UristMcStation/UristMcStation
Map. Adds the engi cart too.
engineering cart.
Merge pull request #6 from UristMcStation/master

Update