Icon fix

Adds some icons that were missing.
Hydroponics fix

Makes hydroponics work
Minor fixes

Fixes security paramedic's access, prevents reinforced walls burning
down, fixes a runtime with forensics and some map issues
Hypatia Merge 8/11/14

Brings up to date with master
Flavour text

Allows players to edit their old flavour text
Merge pull request #208 from Askarn/HypatiaStation-master

Pull from Askarn