Fixes for virology machinery.

Browser UI properly updates on click and on process()
Dishincubator now properly removes radiation (again)

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Merge pull request #3446 from Mloc/virofixes

Fixes for virology machinery.
Removed Z-up function from Client/Center()

Turns out this was allowing mecha to travel semi-unrestricted upwards
through z-levels, including to Central Command and the Away Mission.
Another tiny change to IRC nudge.

HTML entities are now unescaped so that they show up correctly on IRC.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Merge pull request #3448 from TwistedAkai/master

Removed Z-up function from Client/Center()
Merge pull request #3449 from Mloc/nudge2

Another tiny change to IRC nudge.
Merge pull request #3 from Baystation12/master

06/08/13 BS12:master commits