Fixes #3266 - Cell timers will no longer start automagically

* Cell timers will no longer start counting down automagically
* Made cell timers use world.timeofday instead of world.time
* Separated the countdown timer and the "set timer" controls
* You can now modify the cell timer without fucking up the countdown entirely
* Absolute paths, because
Committing changelog
Merge pull request #3362 from Kilakk/dev

Fixes #3266 - Cell timers will no longer start automagically
Added /mob/dead/observer/emote()

* Added a proc to be called whenever a ghost emotes something
* Added emote_dead, which displays the *fancy* emote text to admins, mods, and those with M.stat DEAD
Made always random name respect gender
Merge pull request #3363 from Zuhayr/feature

A whole ton of master commits plus a vox shuttle.
Merge pull request #3364 from Kilakk/dev

Gave ghosts their own emote proc, added colorful text to distinguish emotes made by ghosts.
Merge pull request #3369 from softmix/dev

Made always random name respect gender
Adds a vox heist game mode. Fairly complex.
Adjustments to vox shuttle areas and shuttle contents.