Added cooldown for opening job slots for latejoiners.
Cooldown does not affect jobs for which we have previously closed a position (like how it works for closing positions)
Removes the null attack_verb from paper.
This should fix the "Victim has been  in the chest with the paper by Attacker!" message.
 * Added a manual for Virology. It spawns in Virology and it links to the "Infections" wiki page.
 * New icon for the manual.
 * Updated the changelog's links. Fixes issue 224.
-Added hypospray inhands https://dl.dropbox.com/u/831776/hypo_item.png
-Plasma now reacts with viruses to generate symptoms up to level 6
Revert "-Added hypospray inhands https://dl.dropbox.com/u/831776/hypo_item.png"

This reverts commit c00686667a808203b52d27e0f3421267e8b14957.
Plasma can now mutate virus symptoms up to level 6.
Committing for Ikarrus http://forums.nanotrasen.com/viewtopic.php?f=16&t=12864
Adds hypospray inhands. Only two icon files included. Code currently just references an nonexistent icon, so all that needs to be done is to add the icons.
Merge pull request #313 from Giacomand/Hypo2

Hypospray In-Hand Sprites
Merge pull request #309 from Giacomand/change

Updated the changelog's links. Fixes issue 224.
Merge pull request #307 from Giacomand/ViroFix

[MAP] Virology Manual
 * Fixes a RandomCut() runtime.
Adds a sanity check to turf/proc/distance_cardinal()
Merge pull request #317 from Nodrak/distcardfix

Runtime fix for distance_cardinal
Merge pull request #314 from Giacomand/wires

Fixes a RandomCut() runtime.
Merge pull request #306 from Nodrak/paperfix

Removes the null attack_verb from paper.
Merge pull request #310 from Cheridan/master

Hud Update / Shieldbarrier repath
Updated changelog
Merge pull request #184 from Carn/jobmanagement

Added cooldown for opening job slots for latejoiners.
Merge pull request #312 from Ikarrus/virus

Virology Change